jbe@615: CREATE OR REPLACE VIEW "liquid_feedback_version" AS
jbe@615:   SELECT * FROM (VALUES ('4.2.1-incomplete-update', 4, 2, -1))
jbe@615:   AS "subquery"("string", "major", "minor", "revision");
jbe@615: 
jbe@615: BEGIN;
jbe@615: 
jbe@616: ALTER TABLE "unit" ADD COLUMN "attr" JSONB NOT NULL DEFAULT '{}' CHECK (jsonb_typeof("attr") = 'object');
jbe@616: COMMENT ON COLUMN "unit"."attr" IS 'Opaque data structure to store any extended attributes used by frontend or middleware';
jbe@616: 
jbe@615: ALTER TABLE "unit" ADD COLUMN "member_weight" INT4;
jbe@615: COMMENT ON COLUMN "unit"."member_weight" IS 'Sum of active members'' voting weight';
jbe@615: 
jbe@615: ALTER TABLE "snapshot_population" ADD COLUMN "weight" INT4 NOT NULL DEFAULT 1;
jbe@615: ALTER TABLE "snapshot_population" ALTER COLUMN "weight" DROP DEFAULT;
jbe@615:  
jbe@615: ALTER TABLE "privilege" ADD COLUMN "weight" INT4 NOT NULL DEFAULT 1 CHECK ("weight" >= 0);
jbe@615: COMMENT ON COLUMN "privilege"."weight"           IS 'Voting weight of member in unit';
jbe@615: 
jbe@615: CREATE TABLE "issue_privilege" (
jbe@615:         PRIMARY KEY ("issue_id", "member_id"),
jbe@615:         "issue_id"              INT4            REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
jbe@615:         "member_id"             INT4            REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
jbe@615:         "initiative_right"      BOOLEAN,
jbe@615:         "voting_right"          BOOLEAN,
jbe@615:         "polling_right"         BOOLEAN,
jbe@615:         "weight"                INT4            CHECK ("weight" >= 0) );
jbe@615: CREATE INDEX "issue_privilege_idx" ON "issue_privilege" ("member_id");
jbe@615: COMMENT ON TABLE "issue_privilege" IS 'Override of "privilege" table for rights of members in certain issues';
jbe@615:  
jbe@615: ALTER TABLE "direct_interest_snapshot" ADD COLUMN "ownweight" INT4 NOT NULL DEFAULT 1;
jbe@615: ALTER TABLE "direct_interest_snapshot" ALTER COLUMN "ownweight" DROP DEFAULT;
jbe@615: COMMENT ON COLUMN "direct_interest_snapshot"."ownweight" IS 'Own voting weight of member, disregading delegations';
jbe@615: COMMENT ON COLUMN "direct_interest_snapshot"."weight"    IS 'Voting weight of member according to own weight and "delegating_interest_snapshot"';
jbe@615:  
jbe@615: ALTER TABLE "delegating_interest_snapshot" ADD COLUMN "ownweight" INT4 NOT NULL DEFAULT 1;
jbe@615: ALTER TABLE "delegating_interest_snapshot" ALTER COLUMN "ownweight" DROP DEFAULT;
jbe@615: COMMENT ON COLUMN "delegating_interest_snapshot"."ownweight" IS 'Own voting weight of member, disregading delegations';
jbe@615: COMMENT ON COLUMN "delegating_interest_snapshot"."weight"    IS 'Intermediate voting weight considering incoming delegations';
jbe@615: 
jbe@615: ALTER TABLE "direct_voter" ADD COLUMN "ownweight" INT4 DEFAULT 1;
jbe@615: ALTER TABLE "direct_voter" ALTER COLUMN "ownweight" DROP DEFAULT;
jbe@615: COMMENT ON COLUMN "direct_voter"."ownweight" IS 'Own voting weight of member, disregarding delegations';
jbe@615: COMMENT ON COLUMN "direct_voter"."weight"    IS 'Voting weight of member according to own weight and "delegating_interest_snapshot"';
jbe@615: 
jbe@615: ALTER TABLE "delegating_voter" ADD COLUMN "ownweight" INT4 NOT NULL DEFAULT 1;
jbe@615: ALTER TABLE "delegating_voter" ALTER COLUMN "ownweight" DROP DEFAULT;
jbe@615: COMMENT ON COLUMN "delegating_voter"."ownweight" IS 'Own voting weight of member, disregarding delegations';
jbe@615: COMMENT ON COLUMN "delegating_voter"."weight"    IS 'Intermediate voting weight considering incoming delegations';
jbe@615: 
jbe@615: DROP VIEW "issue_delegation";
jbe@615: CREATE VIEW "issue_delegation" AS
jbe@615:   SELECT DISTINCT ON ("issue"."id", "delegation"."truster_id")
jbe@615:     "issue"."id" AS "issue_id",
jbe@615:     "delegation"."id",
jbe@615:     "delegation"."truster_id",
jbe@615:     "delegation"."trustee_id",
jbe@615:     COALESCE("issue_privilege"."weight", "privilege"."weight") AS "weight",
jbe@615:     "delegation"."scope"
jbe@615:   FROM "issue"
jbe@615:   JOIN "area"
jbe@615:     ON "area"."id" = "issue"."area_id"
jbe@615:   JOIN "delegation"
jbe@615:     ON "delegation"."unit_id" = "area"."unit_id"
jbe@615:     OR "delegation"."area_id" = "area"."id"
jbe@615:     OR "delegation"."issue_id" = "issue"."id"
jbe@615:   JOIN "member"
jbe@615:     ON "delegation"."truster_id" = "member"."id"
jbe@615:   LEFT JOIN "privilege"
jbe@615:     ON "area"."unit_id" = "privilege"."unit_id"
jbe@615:     AND "delegation"."truster_id" = "privilege"."member_id"
jbe@615:   LEFT JOIN "issue_privilege"
jbe@615:     ON "issue"."id" = "issue_privilege"."issue_id"
jbe@615:     AND "delegation"."truster_id" = "issue_privilege"."member_id"
jbe@615:   WHERE "member"."active"
jbe@615:   AND COALESCE("issue_privilege"."voting_right", "privilege"."voting_right")
jbe@615:   ORDER BY
jbe@615:     "issue"."id",
jbe@615:     "delegation"."truster_id",
jbe@615:     "delegation"."scope" DESC;
jbe@615: COMMENT ON VIEW "issue_delegation" IS 'Issue delegations where trusters are active and have voting right';
jbe@615: 
jbe@615: CREATE OR REPLACE VIEW "unit_member" AS
jbe@615:   SELECT
jbe@615:     "privilege"."unit_id" AS "unit_id",
jbe@615:     "member"."id"         AS "member_id",
jbe@615:     "privilege"."weight"
jbe@615:   FROM "privilege" JOIN "member" ON "member"."id" = "privilege"."member_id"
jbe@615:   WHERE "privilege"."voting_right" AND "member"."active";
jbe@615: 
jbe@615: CREATE OR REPLACE VIEW "unit_member_count" AS
jbe@615:   SELECT
jbe@615:     "unit"."id" AS "unit_id",
jbe@615:     count("unit_member"."member_id") AS "member_count",
jbe@615:     sum("unit_member"."weight") AS "member_weight"
jbe@615:   FROM "unit" LEFT JOIN "unit_member"
jbe@615:   ON "unit"."id" = "unit_member"."unit_id"
jbe@615:   GROUP BY "unit"."id";
jbe@615: 
jbe@615: CREATE OR REPLACE VIEW "event_for_notification" AS
jbe@615:   SELECT
jbe@615:     "member"."id" AS "recipient_id",
jbe@615:     "event".*
jbe@615:   FROM "member" CROSS JOIN "event"
jbe@615:   JOIN "issue" ON "issue"."id" = "event"."issue_id"
jbe@615:   JOIN "area" ON "area"."id" = "issue"."area_id"
jbe@615:   LEFT JOIN "privilege" ON
jbe@615:     "privilege"."member_id" = "member"."id" AND
jbe@615:     "privilege"."unit_id" = "area"."unit_id"
jbe@615:   LEFT JOIN "issue_privilege" ON
jbe@615:     "issue_privilege"."member_id" = "member"."id" AND
jbe@615:     "issue_privilege"."issue_id" = "event"."issue_id"
jbe@615:   LEFT JOIN "subscription" ON
jbe@615:     "subscription"."member_id" = "member"."id" AND
jbe@615:     "subscription"."unit_id" = "area"."unit_id"
jbe@615:   LEFT JOIN "ignored_area" ON
jbe@615:     "ignored_area"."member_id" = "member"."id" AND
jbe@615:     "ignored_area"."area_id" = "issue"."area_id"
jbe@615:   LEFT JOIN "interest" ON
jbe@615:     "interest"."member_id" = "member"."id" AND
jbe@615:     "interest"."issue_id" = "event"."issue_id"
jbe@615:   LEFT JOIN "supporter" ON
jbe@615:     "supporter"."member_id" = "member"."id" AND
jbe@615:     "supporter"."initiative_id" = "event"."initiative_id"
jbe@615:   WHERE (
jbe@615:     COALESCE("issue_privilege"."voting_right", "privilege"."voting_right") OR
jbe@615:     "subscription"."member_id" NOTNULL
jbe@615:   ) AND ("ignored_area"."member_id" ISNULL OR "interest"."member_id" NOTNULL)
jbe@615:   AND (
jbe@615:     "event"."event" = 'issue_state_changed'::"event_type" OR
jbe@615:     ( "event"."event" = 'initiative_revoked'::"event_type" AND
jbe@615:       "supporter"."member_id" NOTNULL ) );
jbe@615: 
jbe@615: CREATE OR REPLACE FUNCTION "featured_initiative"
jbe@615:   ( "recipient_id_p" "member"."id"%TYPE,
jbe@615:     "area_id_p"      "area"."id"%TYPE )
jbe@615:   RETURNS SETOF "initiative"."id"%TYPE
jbe@615:   LANGUAGE 'plpgsql' STABLE AS $$
jbe@615:     DECLARE
jbe@615:       "counter_v"         "member"."notification_counter"%TYPE;
jbe@615:       "sample_size_v"     "member"."notification_sample_size"%TYPE;
jbe@615:       "initiative_id_ary" INT4[];  --"initiative"."id"%TYPE[]
jbe@615:       "match_v"           BOOLEAN;
jbe@615:       "member_id_v"       "member"."id"%TYPE;
jbe@615:       "seed_v"            TEXT;
jbe@615:       "initiative_id_v"   "initiative"."id"%TYPE;
jbe@615:     BEGIN
jbe@615:       SELECT "notification_counter", "notification_sample_size"
jbe@615:         INTO "counter_v", "sample_size_v"
jbe@615:         FROM "member" WHERE "id" = "recipient_id_p";
jbe@615:       IF COALESCE("sample_size_v" <= 0, TRUE) THEN
jbe@615:         RETURN;
jbe@615:       END IF;
jbe@615:       "initiative_id_ary" := '{}';
jbe@615:       LOOP
jbe@615:         "match_v" := FALSE;
jbe@615:         FOR "member_id_v", "seed_v" IN
jbe@615:           SELECT * FROM (
jbe@615:             SELECT DISTINCT
jbe@615:               "supporter"."member_id",
jbe@615:               md5(
jbe@615:                 "recipient_id_p" || '-' ||
jbe@615:                 "counter_v"      || '-' ||
jbe@615:                 "area_id_p"      || '-' ||
jbe@615:                 "supporter"."member_id"
jbe@615:               ) AS "seed"
jbe@615:             FROM "supporter"
jbe@615:             JOIN "initiative" ON "initiative"."id" = "supporter"."initiative_id"
jbe@615:             JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
jbe@615:             WHERE "supporter"."member_id" != "recipient_id_p"
jbe@615:             AND "issue"."area_id" = "area_id_p"
jbe@615:             AND "issue"."state" IN ('admission', 'discussion', 'verification')
jbe@615:           ) AS "subquery"
jbe@615:           ORDER BY "seed"
jbe@615:         LOOP
jbe@615:           SELECT "initiative"."id" INTO "initiative_id_v"
jbe@615:             FROM "initiative"
jbe@615:             JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
jbe@615:             JOIN "area" ON "area"."id" = "issue"."area_id"
jbe@615:             JOIN "supporter" ON "supporter"."initiative_id" = "initiative"."id"
jbe@615:             LEFT JOIN "supporter" AS "self_support" ON
jbe@615:               "self_support"."initiative_id" = "initiative"."id" AND
jbe@615:               "self_support"."member_id" = "recipient_id_p"
jbe@615:             LEFT JOIN "privilege" ON
jbe@615:               "privilege"."member_id" = "recipient_id_p" AND
jbe@615:               "privilege"."unit_id" = "area"."unit_id"
jbe@615:             LEFT JOIN "issue_privilege" ON
jbe@617:               "issue_privilege"."member_id" = "recipient_id_p" AND
jbe@617:               "issue_privilege"."issue_id" = "initiative"."issue_id"
jbe@615:             LEFT JOIN "subscription" ON
jbe@615:               "subscription"."member_id" = "recipient_id_p" AND
jbe@615:               "subscription"."unit_id" = "area"."unit_id"
jbe@615:             LEFT JOIN "ignored_initiative" ON
jbe@615:               "ignored_initiative"."member_id" = "recipient_id_p" AND
jbe@615:               "ignored_initiative"."initiative_id" = "initiative"."id"
jbe@615:             WHERE "supporter"."member_id" = "member_id_v"
jbe@615:             AND "issue"."area_id" = "area_id_p"
jbe@615:             AND "issue"."state" IN ('admission', 'discussion', 'verification')
jbe@615:             AND "initiative"."revoked" ISNULL
jbe@615:             AND "self_support"."member_id" ISNULL
jbe@615:             AND NOT "initiative_id_ary" @> ARRAY["initiative"."id"]
jbe@615:             AND (
jbe@615:               COALESCE(
jbe@615:                 "issue_privilege"."voting_right", "privilege"."voting_right"
jbe@615:               ) OR "subscription"."member_id" NOTNULL )
jbe@615:             AND "ignored_initiative"."member_id" ISNULL
jbe@615:             AND NOT EXISTS (
jbe@615:               SELECT NULL FROM "draft"
jbe@615:               JOIN "ignored_member" ON
jbe@615:                 "ignored_member"."member_id" = "recipient_id_p" AND
jbe@615:                 "ignored_member"."other_member_id" = "draft"."author_id"
jbe@615:               WHERE "draft"."initiative_id" = "initiative"."id"
jbe@615:             )
jbe@615:             ORDER BY md5("seed_v" || '-' || "initiative"."id")
jbe@615:             LIMIT 1;
jbe@615:           IF FOUND THEN
jbe@615:             "match_v" := TRUE;
jbe@615:             RETURN NEXT "initiative_id_v";
jbe@615:             IF array_length("initiative_id_ary", 1) + 1 >= "sample_size_v" THEN
jbe@615:               RETURN;
jbe@615:             END IF;
jbe@615:             "initiative_id_ary" := "initiative_id_ary" || "initiative_id_v";
jbe@615:           END IF;
jbe@615:         END LOOP;
jbe@615:         EXIT WHEN NOT "match_v";
jbe@615:       END LOOP;
jbe@615:       RETURN;
jbe@615:     END;
jbe@615:   $$;
jbe@615: 
jbe@615: CREATE OR REPLACE FUNCTION "delegation_chain"
jbe@615:   ( "member_id_p"           "member"."id"%TYPE,
jbe@615:     "unit_id_p"             "unit"."id"%TYPE,
jbe@615:     "area_id_p"             "area"."id"%TYPE,
jbe@615:     "issue_id_p"            "issue"."id"%TYPE,
jbe@615:     "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
jbe@615:     "simulate_default_p"    BOOLEAN            DEFAULT FALSE )
jbe@615:   RETURNS SETOF "delegation_chain_row"
jbe@615:   LANGUAGE 'plpgsql' STABLE AS $$
jbe@615:     DECLARE
jbe@615:       "scope_v"            "delegation_scope";
jbe@615:       "unit_id_v"          "unit"."id"%TYPE;
jbe@615:       "area_id_v"          "area"."id"%TYPE;
jbe@615:       "issue_row"          "issue"%ROWTYPE;
jbe@615:       "visited_member_ids" INT4[];  -- "member"."id"%TYPE[]
jbe@615:       "loop_member_id_v"   "member"."id"%TYPE;
jbe@615:       "output_row"         "delegation_chain_row";
jbe@615:       "output_rows"        "delegation_chain_row"[];
jbe@615:       "simulate_v"         BOOLEAN;
jbe@615:       "simulate_here_v"    BOOLEAN;
jbe@615:       "delegation_row"     "delegation"%ROWTYPE;
jbe@615:       "row_count"          INT4;
jbe@615:       "i"                  INT4;
jbe@615:       "loop_v"             BOOLEAN;
jbe@615:     BEGIN
jbe@615:       IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN
jbe@615:         RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';
jbe@615:       END IF;
jbe@615:       IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN
jbe@615:         "simulate_v" := TRUE;
jbe@615:       ELSE
jbe@615:         "simulate_v" := FALSE;
jbe@615:       END IF;
jbe@615:       IF
jbe@615:         "unit_id_p" NOTNULL AND
jbe@615:         "area_id_p" ISNULL AND
jbe@615:         "issue_id_p" ISNULL
jbe@615:       THEN
jbe@615:         "scope_v" := 'unit';
jbe@615:         "unit_id_v" := "unit_id_p";
jbe@615:       ELSIF
jbe@615:         "unit_id_p" ISNULL AND
jbe@615:         "area_id_p" NOTNULL AND
jbe@615:         "issue_id_p" ISNULL
jbe@615:       THEN
jbe@615:         "scope_v" := 'area';
jbe@615:         "area_id_v" := "area_id_p";
jbe@615:         SELECT "unit_id" INTO "unit_id_v"
jbe@615:           FROM "area" WHERE "id" = "area_id_v";
jbe@615:       ELSIF
jbe@615:         "unit_id_p" ISNULL AND
jbe@615:         "area_id_p" ISNULL AND
jbe@615:         "issue_id_p" NOTNULL
jbe@615:       THEN
jbe@615:         SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
jbe@615:         IF "issue_row"."id" ISNULL THEN
jbe@615:           RETURN;
jbe@615:         END IF;
jbe@615:         IF "issue_row"."closed" NOTNULL THEN
jbe@615:           IF "simulate_v" THEN
jbe@615:             RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
jbe@615:           END IF;
jbe@615:           FOR "output_row" IN
jbe@615:             SELECT * FROM
jbe@615:             "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
jbe@615:           LOOP
jbe@615:             RETURN NEXT "output_row";
jbe@615:           END LOOP;
jbe@615:           RETURN;
jbe@615:         END IF;
jbe@615:         "scope_v" := 'issue';
jbe@615:         SELECT "area_id" INTO "area_id_v"
jbe@615:           FROM "issue" WHERE "id" = "issue_id_p";
jbe@615:         SELECT "unit_id" INTO "unit_id_v"
jbe@615:           FROM "area"  WHERE "id" = "area_id_v";
jbe@615:       ELSE
jbe@615:         RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
jbe@615:       END IF;
jbe@615:       "visited_member_ids" := '{}';
jbe@615:       "loop_member_id_v"   := NULL;
jbe@615:       "output_rows"        := '{}';
jbe@615:       "output_row"."index"         := 0;
jbe@615:       "output_row"."member_id"     := "member_id_p";
jbe@615:       "output_row"."member_valid"  := TRUE;
jbe@615:       "output_row"."participation" := FALSE;
jbe@615:       "output_row"."overridden"    := FALSE;
jbe@615:       "output_row"."disabled_out"  := FALSE;
jbe@615:       "output_row"."scope_out"     := NULL;
jbe@615:       LOOP
jbe@615:         IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
jbe@615:           "loop_member_id_v" := "output_row"."member_id";
jbe@615:         ELSE
jbe@615:           "visited_member_ids" :=
jbe@615:             "visited_member_ids" || "output_row"."member_id";
jbe@615:         END IF;
jbe@615:         IF "output_row"."participation" ISNULL THEN
jbe@615:           "output_row"."overridden" := NULL;
jbe@615:         ELSIF "output_row"."participation" THEN
jbe@615:           "output_row"."overridden" := TRUE;
jbe@615:         END IF;
jbe@615:         "output_row"."scope_in" := "output_row"."scope_out";
jbe@615:         "output_row"."member_valid" := EXISTS (
jbe@615:           SELECT NULL FROM "member"
jbe@615:           LEFT JOIN "privilege"
jbe@615:           ON "privilege"."member_id" = "member"."id"
jbe@615:           AND "privilege"."unit_id" = "unit_id_v"
jbe@615:           LEFT JOIN "issue_privilege"
jbe@615:           ON "issue_privilege"."member_id" = "member"."id"
jbe@615:           AND "issue_privilege"."issue_id" = "issue_id_p"
jbe@615:           WHERE "id" = "output_row"."member_id"
jbe@615:           AND "member"."active"
jbe@615:           AND COALESCE(
jbe@615:             "issue_privilege"."voting_right", "privilege"."voting_right")
jbe@615:         );
jbe@615:         "simulate_here_v" := (
jbe@615:           "simulate_v" AND
jbe@615:           "output_row"."member_id" = "member_id_p"
jbe@615:         );
jbe@615:         "delegation_row" := ROW(NULL);
jbe@615:         IF "output_row"."member_valid" OR "simulate_here_v" THEN
jbe@615:           IF "scope_v" = 'unit' THEN
jbe@615:             IF NOT "simulate_here_v" THEN
jbe@615:               SELECT * INTO "delegation_row" FROM "delegation"
jbe@615:                 WHERE "truster_id" = "output_row"."member_id"
jbe@615:                 AND "unit_id" = "unit_id_v";
jbe@615:             END IF;
jbe@615:           ELSIF "scope_v" = 'area' THEN
jbe@615:             IF "simulate_here_v" THEN
jbe@615:               IF "simulate_trustee_id_p" ISNULL THEN
jbe@615:                 SELECT * INTO "delegation_row" FROM "delegation"
jbe@615:                   WHERE "truster_id" = "output_row"."member_id"
jbe@615:                   AND "unit_id" = "unit_id_v";
jbe@615:               END IF;
jbe@615:             ELSE
jbe@615:               SELECT * INTO "delegation_row" FROM "delegation"
jbe@615:                 WHERE "truster_id" = "output_row"."member_id"
jbe@615:                 AND (
jbe@615:                   "unit_id" = "unit_id_v" OR
jbe@615:                   "area_id" = "area_id_v"
jbe@615:                 )
jbe@615:                 ORDER BY "scope" DESC;
jbe@615:             END IF;
jbe@615:           ELSIF "scope_v" = 'issue' THEN
jbe@615:             IF "issue_row"."fully_frozen" ISNULL THEN
jbe@615:               "output_row"."participation" := EXISTS (
jbe@615:                 SELECT NULL FROM "interest"
jbe@615:                 WHERE "issue_id" = "issue_id_p"
jbe@615:                 AND "member_id" = "output_row"."member_id"
jbe@615:               );
jbe@615:             ELSE
jbe@615:               IF "output_row"."member_id" = "member_id_p" THEN
jbe@615:                 "output_row"."participation" := EXISTS (
jbe@615:                   SELECT NULL FROM "direct_voter"
jbe@615:                   WHERE "issue_id" = "issue_id_p"
jbe@615:                   AND "member_id" = "output_row"."member_id"
jbe@615:                 );
jbe@615:               ELSE
jbe@615:                 "output_row"."participation" := NULL;
jbe@615:               END IF;
jbe@615:             END IF;
jbe@615:             IF "simulate_here_v" THEN
jbe@615:               IF "simulate_trustee_id_p" ISNULL THEN
jbe@615:                 SELECT * INTO "delegation_row" FROM "delegation"
jbe@615:                   WHERE "truster_id" = "output_row"."member_id"
jbe@615:                   AND (
jbe@615:                     "unit_id" = "unit_id_v" OR
jbe@615:                     "area_id" = "area_id_v"
jbe@615:                   )
jbe@615:                   ORDER BY "scope" DESC;
jbe@615:               END IF;
jbe@615:             ELSE
jbe@615:               SELECT * INTO "delegation_row" FROM "delegation"
jbe@615:                 WHERE "truster_id" = "output_row"."member_id"
jbe@615:                 AND (
jbe@615:                   "unit_id" = "unit_id_v" OR
jbe@615:                   "area_id" = "area_id_v" OR
jbe@615:                   "issue_id" = "issue_id_p"
jbe@615:                 )
jbe@615:                 ORDER BY "scope" DESC;
jbe@615:             END IF;
jbe@615:           END IF;
jbe@615:         ELSE
jbe@615:           "output_row"."participation" := FALSE;
jbe@615:         END IF;
jbe@615:         IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN
jbe@615:           "output_row"."scope_out" := "scope_v";
jbe@615:           "output_rows" := "output_rows" || "output_row";
jbe@615:           "output_row"."member_id" := "simulate_trustee_id_p";
jbe@615:         ELSIF "delegation_row"."trustee_id" NOTNULL THEN
jbe@615:           "output_row"."scope_out" := "delegation_row"."scope";
jbe@615:           "output_rows" := "output_rows" || "output_row";
jbe@615:           "output_row"."member_id" := "delegation_row"."trustee_id";
jbe@615:         ELSIF "delegation_row"."scope" NOTNULL THEN
jbe@615:           "output_row"."scope_out" := "delegation_row"."scope";
jbe@615:           "output_row"."disabled_out" := TRUE;
jbe@615:           "output_rows" := "output_rows" || "output_row";
jbe@615:           EXIT;
jbe@615:         ELSE
jbe@615:           "output_row"."scope_out" := NULL;
jbe@615:           "output_rows" := "output_rows" || "output_row";
jbe@615:           EXIT;
jbe@615:         END IF;
jbe@615:         EXIT WHEN "loop_member_id_v" NOTNULL;
jbe@615:         "output_row"."index" := "output_row"."index" + 1;
jbe@615:       END LOOP;
jbe@615:       "row_count" := array_upper("output_rows", 1);
jbe@615:       "i"      := 1;
jbe@615:       "loop_v" := FALSE;
jbe@615:       LOOP
jbe@615:         "output_row" := "output_rows"["i"];
jbe@615:         EXIT WHEN "output_row" ISNULL;  -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
jbe@615:         IF "loop_v" THEN
jbe@615:           IF "i" + 1 = "row_count" THEN
jbe@615:             "output_row"."loop" := 'last';
jbe@615:           ELSIF "i" = "row_count" THEN
jbe@615:             "output_row"."loop" := 'repetition';
jbe@615:           ELSE
jbe@615:             "output_row"."loop" := 'intermediate';
jbe@615:           END IF;
jbe@615:         ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
jbe@615:           "output_row"."loop" := 'first';
jbe@615:           "loop_v" := TRUE;
jbe@615:         END IF;
jbe@615:         IF "scope_v" = 'unit' THEN
jbe@615:           "output_row"."participation" := NULL;
jbe@615:         END IF;
jbe@615:         RETURN NEXT "output_row";
jbe@615:         "i" := "i" + 1;
jbe@615:       END LOOP;
jbe@615:       RETURN;
jbe@615:     END;
jbe@615:   $$;
jbe@615: 
jbe@615: CREATE OR REPLACE FUNCTION "calculate_member_counts"()
jbe@615:   RETURNS VOID
jbe@615:   LANGUAGE 'plpgsql' VOLATILE AS $$
jbe@615:     BEGIN
jbe@615:       PERFORM "require_transaction_isolation"();
jbe@615:       DELETE FROM "member_count";
jbe@615:       INSERT INTO "member_count" ("total_count")
jbe@615:         SELECT "total_count" FROM "member_count_view";
jbe@615:       UPDATE "unit" SET
jbe@615:         "member_count" = "view"."member_count",
jbe@615:         "member_weight" = "view"."member_weight"
jbe@615:         FROM "unit_member_count" AS "view"
jbe@615:         WHERE "view"."unit_id" = "unit"."id";
jbe@615:       RETURN;
jbe@615:     END;
jbe@615:   $$;
jbe@615: COMMENT ON FUNCTION "calculate_member_counts"() IS 'Updates "member_count" table and "member_count" and "member_weight" columns of table "area" by materializing data from views "member_count_view" and "unit_member_count"';
jbe@615:  
jbe@615: CREATE OR REPLACE FUNCTION "weight_of_added_delegations_for_snapshot"
jbe@615:   ( "snapshot_id_p"         "snapshot"."id"%TYPE,
jbe@615:     "issue_id_p"            "issue"."id"%TYPE,
jbe@615:     "member_id_p"           "member"."id"%TYPE,
jbe@615:     "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
jbe@615:   RETURNS "direct_interest_snapshot"."weight"%TYPE
jbe@615:   LANGUAGE 'plpgsql' VOLATILE AS $$
jbe@615:     DECLARE
jbe@615:       "issue_delegation_row"  "issue_delegation"%ROWTYPE;
jbe@615:       "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;
jbe@615:       "weight_v"              INT4;
jbe@615:       "sub_weight_v"          INT4;
jbe@615:     BEGIN
jbe@615:       PERFORM "require_transaction_isolation"();
jbe@615:       "weight_v" := 0;
jbe@615:       FOR "issue_delegation_row" IN
jbe@615:         SELECT * FROM "issue_delegation"
jbe@615:         WHERE "trustee_id" = "member_id_p"
jbe@615:         AND "issue_id" = "issue_id_p"
jbe@615:       LOOP
jbe@615:         IF NOT EXISTS (
jbe@615:           SELECT NULL FROM "direct_interest_snapshot"
jbe@615:           WHERE "snapshot_id" = "snapshot_id_p"
jbe@615:           AND "issue_id" = "issue_id_p"
jbe@615:           AND "member_id" = "issue_delegation_row"."truster_id"
jbe@615:         ) AND NOT EXISTS (
jbe@615:           SELECT NULL FROM "delegating_interest_snapshot"
jbe@615:           WHERE "snapshot_id" = "snapshot_id_p"
jbe@615:           AND "issue_id" = "issue_id_p"
jbe@615:           AND "member_id" = "issue_delegation_row"."truster_id"
jbe@615:         ) THEN
jbe@615:           "delegate_member_ids_v" :=
jbe@615:             "member_id_p" || "delegate_member_ids_p";
jbe@615:           INSERT INTO "delegating_interest_snapshot" (
jbe@615:               "snapshot_id",
jbe@615:               "issue_id",
jbe@615:               "member_id",
jbe@615:               "ownweight",
jbe@615:               "scope",
jbe@615:               "delegate_member_ids"
jbe@615:             ) VALUES (
jbe@615:               "snapshot_id_p",
jbe@615:               "issue_id_p",
jbe@615:               "issue_delegation_row"."truster_id",
jbe@615:               "issue_delegation_row"."weight",
jbe@615:               "issue_delegation_row"."scope",
jbe@615:               "delegate_member_ids_v"
jbe@615:             );
jbe@615:           "sub_weight_v" := "issue_delegation_row"."weight" +
jbe@615:             "weight_of_added_delegations_for_snapshot"(
jbe@615:               "snapshot_id_p",
jbe@615:               "issue_id_p",
jbe@615:               "issue_delegation_row"."truster_id",
jbe@615:               "delegate_member_ids_v"
jbe@615:             );
jbe@615:           UPDATE "delegating_interest_snapshot"
jbe@615:             SET "weight" = "sub_weight_v"
jbe@615:             WHERE "snapshot_id" = "snapshot_id_p"
jbe@615:             AND "issue_id" = "issue_id_p"
jbe@615:             AND "member_id" = "issue_delegation_row"."truster_id";
jbe@615:           "weight_v" := "weight_v" + "sub_weight_v";
jbe@615:         END IF;
jbe@615:       END LOOP;
jbe@615:       RETURN "weight_v";
jbe@615:     END;
jbe@615:   $$;
jbe@615: 
jbe@615: CREATE OR REPLACE FUNCTION "take_snapshot"
jbe@615:   ( "issue_id_p" "issue"."id"%TYPE,
jbe@615:     "area_id_p"  "area"."id"%TYPE = NULL )
jbe@615:   RETURNS "snapshot"."id"%TYPE
jbe@615:   LANGUAGE 'plpgsql' VOLATILE AS $$
jbe@615:     DECLARE
jbe@615:       "area_id_v"     "area"."id"%TYPE;
jbe@615:       "unit_id_v"     "unit"."id"%TYPE;
jbe@615:       "snapshot_id_v" "snapshot"."id"%TYPE;
jbe@615:       "issue_id_v"    "issue"."id"%TYPE;
jbe@615:       "member_id_v"   "member"."id"%TYPE;
jbe@615:     BEGIN
jbe@615:       IF "issue_id_p" NOTNULL AND "area_id_p" NOTNULL THEN
jbe@615:         RAISE EXCEPTION 'One of "issue_id_p" and "area_id_p" must be NULL';
jbe@615:       END IF;
jbe@615:       PERFORM "require_transaction_isolation"();
jbe@615:       IF "issue_id_p" ISNULL THEN
jbe@615:         "area_id_v" := "area_id_p";
jbe@615:       ELSE
jbe@615:         SELECT "area_id" INTO "area_id_v"
jbe@615:           FROM "issue" WHERE "id" = "issue_id_p";
jbe@615:       END IF;
jbe@615:       SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
jbe@615:       INSERT INTO "snapshot" ("area_id", "issue_id")
jbe@615:         VALUES ("area_id_v", "issue_id_p")
jbe@615:         RETURNING "id" INTO "snapshot_id_v";
jbe@615:       INSERT INTO "snapshot_population" ("snapshot_id", "member_id", "weight")
jbe@615:         SELECT
jbe@615:           "snapshot_id_v",
jbe@615:           "member"."id",
jbe@615:           COALESCE("issue_privilege"."weight", "privilege"."weight")
jbe@615:         FROM "member"
jbe@615:         LEFT JOIN "privilege"
jbe@615:         ON "privilege"."unit_id" = "unit_id_v"
jbe@615:         AND "privilege"."member_id" = "member"."id"
jbe@615:         LEFT JOIN "issue_privilege"
jbe@615:         ON "issue_privilege"."issue_id" = "issue_id_p"
jbe@615:         AND "issue_privilege"."member_id" = "member"."id"
jbe@615:         WHERE "member"."active" AND COALESCE(
jbe@615:           "issue_privilege"."voting_right", "privilege"."voting_right");
jbe@615:       UPDATE "snapshot" SET
jbe@615:         "population" = (
jbe@615:           SELECT sum("weight") FROM "snapshot_population"
jbe@615:           WHERE "snapshot_id" = "snapshot_id_v"
jbe@615:         ) WHERE "id" = "snapshot_id_v";
jbe@615:       FOR "issue_id_v" IN
jbe@615:         SELECT "id" FROM "issue"
jbe@615:         WHERE CASE WHEN "issue_id_p" ISNULL THEN
jbe@615:           "area_id" = "area_id_p" AND
jbe@615:           "state" = 'admission'
jbe@615:         ELSE
jbe@615:           "id" = "issue_id_p"
jbe@615:         END
jbe@615:       LOOP
jbe@615:         INSERT INTO "snapshot_issue" ("snapshot_id", "issue_id")
jbe@615:           VALUES ("snapshot_id_v", "issue_id_v");
jbe@615:         INSERT INTO "direct_interest_snapshot"
jbe@615:           ("snapshot_id", "issue_id", "member_id", "ownweight")
jbe@615:           SELECT
jbe@615:             "snapshot_id_v" AS "snapshot_id",
jbe@615:             "issue_id_v"    AS "issue_id",
jbe@615:             "member"."id"   AS "member_id",
jbe@615:             COALESCE(
jbe@615:               "issue_privilege"."weight", "privilege"."weight"
jbe@615:             ) AS "ownweight"
jbe@615:           FROM "issue"
jbe@615:           JOIN "area" ON "issue"."area_id" = "area"."id"
jbe@615:           JOIN "interest" ON "issue"."id" = "interest"."issue_id"
jbe@615:           JOIN "member" ON "interest"."member_id" = "member"."id"
jbe@615:           LEFT JOIN "privilege"
jbe@615:             ON "privilege"."unit_id" = "area"."unit_id"
jbe@615:             AND "privilege"."member_id" = "member"."id"
jbe@615:           LEFT JOIN "issue_privilege"
jbe@615:             ON "issue_privilege"."issue_id" = "issue_id_v"
jbe@615:             AND "issue_privilege"."member_id" = "member"."id"
jbe@615:           WHERE "issue"."id" = "issue_id_v"
jbe@615:           AND "member"."active" AND COALESCE(
jbe@615:             "issue_privilege"."voting_right", "privilege"."voting_right");
jbe@615:         FOR "member_id_v" IN
jbe@615:           SELECT "member_id" FROM "direct_interest_snapshot"
jbe@615:           WHERE "snapshot_id" = "snapshot_id_v"
jbe@615:           AND "issue_id" = "issue_id_v"
jbe@615:         LOOP
jbe@615:           UPDATE "direct_interest_snapshot" SET
jbe@615:             "weight" = "ownweight" +
jbe@615:               "weight_of_added_delegations_for_snapshot"(
jbe@615:                 "snapshot_id_v",
jbe@615:                 "issue_id_v",
jbe@615:                 "member_id_v",
jbe@615:                 '{}'
jbe@615:               )
jbe@615:             WHERE "snapshot_id" = "snapshot_id_v"
jbe@615:             AND "issue_id" = "issue_id_v"
jbe@615:             AND "member_id" = "member_id_v";
jbe@615:         END LOOP;
jbe@615:         INSERT INTO "direct_supporter_snapshot"
jbe@615:           ( "snapshot_id", "issue_id", "initiative_id", "member_id",
jbe@615:             "draft_id", "informed", "satisfied" )
jbe@615:           SELECT
jbe@615:             "snapshot_id_v"         AS "snapshot_id",
jbe@615:             "issue_id_v"            AS "issue_id",
jbe@615:             "initiative"."id"       AS "initiative_id",
jbe@615:             "supporter"."member_id" AS "member_id",
jbe@615:             "supporter"."draft_id"  AS "draft_id",
jbe@615:             "supporter"."draft_id" = "current_draft"."id" AS "informed",
jbe@615:             NOT EXISTS (
jbe@615:               SELECT NULL FROM "critical_opinion"
jbe@615:               WHERE "initiative_id" = "initiative"."id"
jbe@615:               AND "member_id" = "supporter"."member_id"
jbe@615:             ) AS "satisfied"
jbe@615:           FROM "initiative"
jbe@615:           JOIN "supporter"
jbe@615:           ON "supporter"."initiative_id" = "initiative"."id"
jbe@615:           JOIN "current_draft"
jbe@615:           ON "initiative"."id" = "current_draft"."initiative_id"
jbe@615:           JOIN "direct_interest_snapshot"
jbe@615:           ON "snapshot_id_v" = "direct_interest_snapshot"."snapshot_id"
jbe@615:           AND "supporter"."member_id" = "direct_interest_snapshot"."member_id"
jbe@615:           AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"
jbe@615:           WHERE "initiative"."issue_id" = "issue_id_v";
jbe@615:         DELETE FROM "temporary_suggestion_counts";
jbe@615:         INSERT INTO "temporary_suggestion_counts"
jbe@615:           ( "id",
jbe@615:             "minus2_unfulfilled_count", "minus2_fulfilled_count",
jbe@615:             "minus1_unfulfilled_count", "minus1_fulfilled_count",
jbe@615:             "plus1_unfulfilled_count", "plus1_fulfilled_count",
jbe@615:             "plus2_unfulfilled_count", "plus2_fulfilled_count" )
jbe@615:           SELECT
jbe@615:             "suggestion"."id",
jbe@615:             ( SELECT coalesce(sum("di"."weight"), 0)
jbe@615:               FROM "opinion" JOIN "direct_interest_snapshot" AS "di"
jbe@615:               ON "di"."snapshot_id" = "snapshot_id_v"
jbe@615:               AND "di"."issue_id" = "issue_id_v"
jbe@615:               AND "di"."member_id" = "opinion"."member_id"
jbe@615:               WHERE "opinion"."suggestion_id" = "suggestion"."id"
jbe@615:               AND "opinion"."degree" = -2
jbe@615:               AND "opinion"."fulfilled" = FALSE
jbe@615:             ) AS "minus2_unfulfilled_count",
jbe@615:             ( SELECT coalesce(sum("di"."weight"), 0)
jbe@615:               FROM "opinion" JOIN "direct_interest_snapshot" AS "di"
jbe@615:               ON "di"."snapshot_id" = "snapshot_id_v"
jbe@615:               AND "di"."issue_id" = "issue_id_v"
jbe@615:               AND "di"."member_id" = "opinion"."member_id"
jbe@615:               WHERE "opinion"."suggestion_id" = "suggestion"."id"
jbe@615:               AND "opinion"."degree" = -2
jbe@615:               AND "opinion"."fulfilled" = TRUE
jbe@615:             ) AS "minus2_fulfilled_count",
jbe@615:             ( SELECT coalesce(sum("di"."weight"), 0)
jbe@615:               FROM "opinion" JOIN "direct_interest_snapshot" AS "di"
jbe@615:               ON "di"."snapshot_id" = "snapshot_id_v"
jbe@615:               AND "di"."issue_id" = "issue_id_v"
jbe@615:               AND "di"."member_id" = "opinion"."member_id"
jbe@615:               WHERE "opinion"."suggestion_id" = "suggestion"."id"
jbe@615:               AND "opinion"."degree" = -1
jbe@615:               AND "opinion"."fulfilled" = FALSE
jbe@615:             ) AS "minus1_unfulfilled_count",
jbe@615:             ( SELECT coalesce(sum("di"."weight"), 0)
jbe@615:               FROM "opinion" JOIN "direct_interest_snapshot" AS "di"
jbe@615:               ON "di"."snapshot_id" = "snapshot_id_v"
jbe@615:               AND "di"."issue_id" = "issue_id_v"
jbe@615:               AND "di"."member_id" = "opinion"."member_id"
jbe@615:               WHERE "opinion"."suggestion_id" = "suggestion"."id"
jbe@615:               AND "opinion"."degree" = -1
jbe@615:               AND "opinion"."fulfilled" = TRUE
jbe@615:             ) AS "minus1_fulfilled_count",
jbe@615:             ( SELECT coalesce(sum("di"."weight"), 0)
jbe@615:               FROM "opinion" JOIN "direct_interest_snapshot" AS "di"
jbe@615:               ON "di"."snapshot_id" = "snapshot_id_v"
jbe@615:               AND "di"."issue_id" = "issue_id_v"
jbe@615:               AND "di"."member_id" = "opinion"."member_id"
jbe@615:               WHERE "opinion"."suggestion_id" = "suggestion"."id"
jbe@615:               AND "opinion"."degree" = 1
jbe@615:               AND "opinion"."fulfilled" = FALSE
jbe@615:             ) AS "plus1_unfulfilled_count",
jbe@615:             ( SELECT coalesce(sum("di"."weight"), 0)
jbe@615:               FROM "opinion" JOIN "direct_interest_snapshot" AS "di"
jbe@615:               ON "di"."snapshot_id" = "snapshot_id_v"
jbe@615:               AND "di"."issue_id" = "issue_id_v"
jbe@615:               AND "di"."member_id" = "opinion"."member_id"
jbe@615:               WHERE "opinion"."suggestion_id" = "suggestion"."id"
jbe@615:               AND "opinion"."degree" = 1
jbe@615:               AND "opinion"."fulfilled" = TRUE
jbe@615:             ) AS "plus1_fulfilled_count",
jbe@615:             ( SELECT coalesce(sum("di"."weight"), 0)
jbe@615:               FROM "opinion" JOIN "direct_interest_snapshot" AS "di"
jbe@615:               ON "di"."snapshot_id" = "snapshot_id_v"
jbe@615:               AND "di"."issue_id" = "issue_id_v"
jbe@615:               AND "di"."member_id" = "opinion"."member_id"
jbe@615:               WHERE "opinion"."suggestion_id" = "suggestion"."id"
jbe@615:               AND "opinion"."degree" = 2
jbe@615:               AND "opinion"."fulfilled" = FALSE
jbe@615:             ) AS "plus2_unfulfilled_count",
jbe@615:             ( SELECT coalesce(sum("di"."weight"), 0)
jbe@615:               FROM "opinion" JOIN "direct_interest_snapshot" AS "di"
jbe@615:               ON "di"."snapshot_id" = "snapshot_id_v"
jbe@615:               AND "di"."issue_id" = "issue_id_v"
jbe@615:               AND "di"."member_id" = "opinion"."member_id"
jbe@615:               WHERE "opinion"."suggestion_id" = "suggestion"."id"
jbe@615:               AND "opinion"."degree" = 2
jbe@615:               AND "opinion"."fulfilled" = TRUE
jbe@615:             ) AS "plus2_fulfilled_count"
jbe@615:             FROM "suggestion" JOIN "initiative"
jbe@615:             ON "suggestion"."initiative_id" = "initiative"."id"
jbe@615:             WHERE "initiative"."issue_id" = "issue_id_v";
jbe@615:       END LOOP;
jbe@615:       RETURN "snapshot_id_v";
jbe@615:     END;
jbe@615:   $$;
jbe@615: 
jbe@615: CREATE OR REPLACE FUNCTION "weight_of_added_vote_delegations"
jbe@615:   ( "issue_id_p"            "issue"."id"%TYPE,
jbe@615:     "member_id_p"           "member"."id"%TYPE,
jbe@615:     "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )
jbe@615:   RETURNS "direct_voter"."weight"%TYPE
jbe@615:   LANGUAGE 'plpgsql' VOLATILE AS $$
jbe@615:     DECLARE
jbe@615:       "issue_delegation_row"  "issue_delegation"%ROWTYPE;
jbe@615:       "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;
jbe@615:       "weight_v"              INT4;
jbe@615:       "sub_weight_v"          INT4;
jbe@615:     BEGIN
jbe@615:       PERFORM "require_transaction_isolation"();
jbe@615:       "weight_v" := 0;
jbe@615:       FOR "issue_delegation_row" IN
jbe@615:         SELECT * FROM "issue_delegation"
jbe@615:         WHERE "trustee_id" = "member_id_p"
jbe@615:         AND "issue_id" = "issue_id_p"
jbe@615:       LOOP
jbe@615:         IF NOT EXISTS (
jbe@615:           SELECT NULL FROM "direct_voter"
jbe@615:           WHERE "member_id" = "issue_delegation_row"."truster_id"
jbe@615:           AND "issue_id" = "issue_id_p"
jbe@615:         ) AND NOT EXISTS (
jbe@615:           SELECT NULL FROM "delegating_voter"
jbe@615:           WHERE "member_id" = "issue_delegation_row"."truster_id"
jbe@615:           AND "issue_id" = "issue_id_p"
jbe@615:         ) THEN
jbe@615:           "delegate_member_ids_v" :=
jbe@615:             "member_id_p" || "delegate_member_ids_p";
jbe@615:           INSERT INTO "delegating_voter" (
jbe@615:               "issue_id",
jbe@615:               "member_id",
jbe@615:               "ownweight",
jbe@615:               "scope",
jbe@615:               "delegate_member_ids"
jbe@615:             ) VALUES (
jbe@615:               "issue_id_p",
jbe@615:               "issue_delegation_row"."truster_id",
jbe@615:               "issue_delegation_row"."weight",
jbe@615:               "issue_delegation_row"."scope",
jbe@615:               "delegate_member_ids_v"
jbe@615:             );
jbe@615:           "sub_weight_v" := "issue_delegation_row"."weight" +
jbe@615:             "weight_of_added_vote_delegations"(
jbe@615:               "issue_id_p",
jbe@615:               "issue_delegation_row"."truster_id",
jbe@615:               "delegate_member_ids_v"
jbe@615:             );
jbe@615:           UPDATE "delegating_voter"
jbe@615:             SET "weight" = "sub_weight_v"
jbe@615:             WHERE "issue_id" = "issue_id_p"
jbe@615:             AND "member_id" = "issue_delegation_row"."truster_id";
jbe@615:           "weight_v" := "weight_v" + "sub_weight_v";
jbe@615:         END IF;
jbe@615:       END LOOP;
jbe@615:       RETURN "weight_v";
jbe@615:     END;
jbe@615:   $$;
jbe@615: 
jbe@615: CREATE OR REPLACE FUNCTION "add_vote_delegations"
jbe@615:   ( "issue_id_p" "issue"."id"%TYPE )
jbe@615:   RETURNS VOID
jbe@615:   LANGUAGE 'plpgsql' VOLATILE AS $$
jbe@615:     DECLARE
jbe@615:       "member_id_v" "member"."id"%TYPE;
jbe@615:     BEGIN
jbe@615:       PERFORM "require_transaction_isolation"();
jbe@615:       FOR "member_id_v" IN
jbe@615:         SELECT "member_id" FROM "direct_voter"
jbe@615:         WHERE "issue_id" = "issue_id_p"
jbe@615:       LOOP
jbe@615:         UPDATE "direct_voter" SET
jbe@615:           "weight" = "ownweight" + "weight_of_added_vote_delegations"(
jbe@615:             "issue_id_p",
jbe@615:             "member_id_v",
jbe@615:             '{}'
jbe@615:           )
jbe@615:           WHERE "member_id" = "member_id_v"
jbe@615:           AND "issue_id" = "issue_id_p";
jbe@615:       END LOOP;
jbe@615:       RETURN;
jbe@615:     END;
jbe@615:   $$;
jbe@615: 
jbe@615: CREATE OR REPLACE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
jbe@615:   RETURNS VOID
jbe@615:   LANGUAGE 'plpgsql' VOLATILE AS $$
jbe@615:     DECLARE
jbe@615:       "area_id_v"   "area"."id"%TYPE;
jbe@615:       "unit_id_v"   "unit"."id"%TYPE;
jbe@615:       "member_id_v" "member"."id"%TYPE;
jbe@615:     BEGIN
jbe@615:       PERFORM "require_transaction_isolation"();
jbe@615:       SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
jbe@615:       SELECT "unit_id" INTO "unit_id_v" FROM "area"  WHERE "id" = "area_id_v";
jbe@615:       -- override protection triggers:
jbe@615:       INSERT INTO "temporary_transaction_data" ("key", "value")
jbe@615:         VALUES ('override_protection_triggers', TRUE::TEXT);
jbe@615:       -- delete timestamp of voting comment:
jbe@615:       UPDATE "direct_voter" SET "comment_changed" = NULL
jbe@615:         WHERE "issue_id" = "issue_id_p";
jbe@615:       -- delete delegating votes (in cases of manual reset of issue state):
jbe@615:       DELETE FROM "delegating_voter"
jbe@615:         WHERE "issue_id" = "issue_id_p";
jbe@615:       -- delete votes from non-privileged voters:
jbe@615:       DELETE FROM "direct_voter"
jbe@615:         USING (
jbe@615:           SELECT "direct_voter"."member_id"
jbe@615:           FROM "direct_voter"
jbe@615:           JOIN "member" ON "direct_voter"."member_id" = "member"."id"
jbe@615:           LEFT JOIN "privilege"
jbe@615:           ON "privilege"."unit_id" = "unit_id_v"
jbe@615:           AND "privilege"."member_id" = "direct_voter"."member_id"
jbe@615:           LEFT JOIN "issue_privilege"
jbe@615:           ON "issue_privilege"."issue_id" = "issue_id_p"
jbe@615:           AND "issue_privilege"."member_id" = "direct_voter"."member_id"
jbe@615:           WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
jbe@615:             "member"."active" = FALSE OR
jbe@615:             COALESCE(
jbe@615:               "issue_privilege"."voting_right",
jbe@615:               "privilege"."voting_right",
jbe@615:               FALSE
jbe@615:             ) = FALSE
jbe@615:           )
jbe@615:         ) AS "subquery"
jbe@615:         WHERE "direct_voter"."issue_id" = "issue_id_p"
jbe@615:         AND "direct_voter"."member_id" = "subquery"."member_id";
jbe@615:       -- consider voting weight and delegations:
jbe@615:       UPDATE "direct_voter" SET "ownweight" = "privilege"."weight"
jbe@615:         FROM "privilege"
jbe@615:         WHERE "issue_id" = "issue_id_p"
jbe@615:         AND "privilege"."unit_id" = "unit_id_v"
jbe@615:         AND "privilege"."member_id" = "direct_voter"."member_id";
jbe@615:       UPDATE "direct_voter" SET "ownweight" = "issue_privilege"."weight"
jbe@615:         FROM "issue_privilege"
jbe@615:         WHERE "direct_voter"."issue_id" = "issue_id_p"
jbe@615:         AND "issue_privilege"."issue_id" = "issue_id_p"
jbe@615:         AND "issue_privilege"."member_id" = "direct_voter"."member_id";
jbe@615:       PERFORM "add_vote_delegations"("issue_id_p");
jbe@615:       -- mark first preferences:
jbe@615:       UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
jbe@615:         FROM (
jbe@615:           SELECT
jbe@615:             "vote"."initiative_id",
jbe@615:             "vote"."member_id",
jbe@615:             CASE WHEN "vote"."grade" > 0 THEN
jbe@615:               CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
jbe@615:             ELSE NULL
jbe@615:             END AS "first_preference"
jbe@615:           FROM "vote"
jbe@615:           JOIN "initiative"  -- NOTE: due to missing index on issue_id
jbe@615:           ON "vote"."issue_id" = "initiative"."issue_id"
jbe@615:           JOIN "vote" AS "agg"
jbe@615:           ON "initiative"."id" = "agg"."initiative_id"
jbe@615:           AND "vote"."member_id" = "agg"."member_id"
jbe@615:           GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
jbe@615:         ) AS "subquery"
jbe@615:         WHERE "vote"."issue_id" = "issue_id_p"
jbe@615:         AND "vote"."initiative_id" = "subquery"."initiative_id"
jbe@615:         AND "vote"."member_id" = "subquery"."member_id";
jbe@615:       -- finish overriding protection triggers (avoids garbage):
jbe@615:       DELETE FROM "temporary_transaction_data"
jbe@615:         WHERE "key" = 'override_protection_triggers';
jbe@615:       -- materialize battle_view:
jbe@615:       -- NOTE: "closed" column of issue must be set at this point
jbe@615:       DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
jbe@615:       INSERT INTO "battle" (
jbe@615:         "issue_id",
jbe@615:         "winning_initiative_id", "losing_initiative_id",
jbe@615:         "count"
jbe@615:       ) SELECT
jbe@615:         "issue_id",
jbe@615:         "winning_initiative_id", "losing_initiative_id",
jbe@615:         "count"
jbe@615:         FROM "battle_view" WHERE "issue_id" = "issue_id_p";
jbe@615:       -- set voter count:
jbe@615:       UPDATE "issue" SET
jbe@615:         "voter_count" = (
jbe@615:           SELECT coalesce(sum("weight"), 0)
jbe@615:           FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
jbe@615:         )
jbe@615:         WHERE "id" = "issue_id_p";
jbe@615:       -- copy "positive_votes" and "negative_votes" from "battle" table:
jbe@615:       -- NOTE: "first_preference_votes" is set to a default of 0 at this step
jbe@615:       UPDATE "initiative" SET
jbe@615:         "first_preference_votes" = 0,
jbe@615:         "positive_votes" = "battle_win"."count",
jbe@615:         "negative_votes" = "battle_lose"."count"
jbe@615:         FROM "battle" AS "battle_win", "battle" AS "battle_lose"
jbe@615:         WHERE
jbe@615:           "battle_win"."issue_id" = "issue_id_p" AND
jbe@615:           "battle_win"."winning_initiative_id" = "initiative"."id" AND
jbe@615:           "battle_win"."losing_initiative_id" ISNULL AND
jbe@615:           "battle_lose"."issue_id" = "issue_id_p" AND
jbe@615:           "battle_lose"."losing_initiative_id" = "initiative"."id" AND
jbe@615:           "battle_lose"."winning_initiative_id" ISNULL;
jbe@615:       -- calculate "first_preference_votes":
jbe@615:       -- NOTE: will only set values not equal to zero
jbe@615:       UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
jbe@615:         FROM (
jbe@615:           SELECT "vote"."initiative_id", sum("direct_voter"."weight")
jbe@615:           FROM "vote" JOIN "direct_voter"
jbe@615:           ON "vote"."issue_id" = "direct_voter"."issue_id"
jbe@615:           AND "vote"."member_id" = "direct_voter"."member_id"
jbe@615:           WHERE "vote"."first_preference"
jbe@615:           GROUP BY "vote"."initiative_id"
jbe@615:         ) AS "subquery"
jbe@615:         WHERE "initiative"."issue_id" = "issue_id_p"
jbe@615:         AND "initiative"."admitted"
jbe@615:         AND "initiative"."id" = "subquery"."initiative_id";
jbe@615:     END;
jbe@615:   $$;
jbe@615: 
jbe@615: COMMIT;