1 BEGIN;

2

3 CREATE OR REPLACE VIEW "liquid_feedback_version" AS

4 SELECT * FROM (VALUES ('2.1.0', 2, 1, 0))

5 AS "subquery"("string", "major", "minor", "revision");

6

7 ALTER TABLE "policy" ADD COLUMN "polling" BOOLEAN NOT NULL DEFAULT FALSE;

8 ALTER TABLE "policy" ALTER COLUMN "admission_time" DROP NOT NULL;

9 ALTER TABLE "policy" ALTER COLUMN "discussion_time" DROP NOT NULL;

10 ALTER TABLE "policy" ALTER COLUMN "verification_time" DROP NOT NULL;

11 ALTER TABLE "policy" ALTER COLUMN "voting_time" DROP NOT NULL;

12 ALTER TABLE "policy" ADD CONSTRAINT "timing" CHECK (

13 ( "polling" = FALSE AND

14 "admission_time" NOTNULL AND "discussion_time" NOTNULL AND

15 "verification_time" NOTNULL AND "voting_time" NOTNULL ) OR

16 ( "polling" = TRUE AND

17 "admission_time" ISNULL AND "discussion_time" NOTNULL AND

18 "verification_time" NOTNULL AND "voting_time" NOTNULL ) OR

19 ( "polling" = TRUE AND

20 "admission_time" ISNULL AND "discussion_time" ISNULL AND

21 "verification_time" ISNULL AND "voting_time" ISNULL ) );

22 COMMENT ON COLUMN "policy"."polling" IS 'TRUE = special policy for non-user-generated issues, i.e. polls ("admission_time" MUST be set to NULL, the other timings may be set to NULL altogether, allowing individual timing for issues)';

23

24 ALTER TABLE "initiative" ADD COLUMN "polling" BOOLEAN NOT NULL DEFAULT FALSE;

25 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative is an option for a poll (see "policy"."polling"), and does not need to pass the initiative quorum';

26

27 ALTER TABLE "privilege" RENAME COLUMN "voting_right_manager" TO "member_manager";

28 ALTER TABLE "privilege" ADD COLUMN "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE;

29 ALTER TABLE "privilege" ADD COLUMN "polling_right" BOOLEAN NOT NULL DEFAULT FALSE;

30 UPDATE "privilege" SET "initiative_right" = "voting_right";

31 COMMENT ON COLUMN "privilege"."admin_manager" IS 'Grant/revoke any privileges to/from other members';

32 COMMENT ON COLUMN "privilege"."member_manager" IS 'Adding/removing members from the unit, granting or revoking "initiative_right" and "voting_right"';

33 COMMENT ON COLUMN "privilege"."initiative_right" IS 'Right to create an initiative';

34 COMMENT ON COLUMN "privilege"."voting_right" IS 'Right to support initiatives, create and rate suggestions, and to vote';

35 COMMENT ON COLUMN "privilege"."polling_right" IS 'Right to create polls (see "policy"."polling" and "initiative"."polling")';

36

37 ALTER TABLE "direct_voter" ADD COLUMN "comment_changed" TIMESTAMPTZ;

38 ALTER TABLE "direct_voter" ADD COLUMN "formatting_engine" TEXT;

39 ALTER TABLE "direct_voter" ADD COLUMN "comment" TEXT;

40 ALTER TABLE "direct_voter" ADD COLUMN "text_search_data" TSVECTOR;

41 CREATE INDEX "direct_voter_text_search_data_idx" ON "direct_voter" USING gin ("text_search_data");

42 CREATE TRIGGER "update_text_search_data"

43 BEFORE INSERT OR UPDATE ON "direct_voter"

44 FOR EACH ROW EXECUTE PROCEDURE

45 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "comment");

46

47 COMMENT ON COLUMN "direct_voter"."comment_changed" IS 'Shall be set on comment change, to indicate a comment being modified after voting has been finished; Automatically set to NULL after voting phase; Automatically set to NULL by trigger, if "comment" is set to NULL';

48 COMMENT ON COLUMN "direct_voter"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "direct_voter"."comment"; Automatically set to NULL by trigger, if "comment" is set to NULL';

49 COMMENT ON COLUMN "direct_voter"."comment" IS 'Is to be set or updated by the frontend, if comment was inserted or updated AFTER the issue has been closed. Otherwise it shall be set to NULL.';

50

51 CREATE TABLE "rendered_voter_comment" (

52 PRIMARY KEY ("issue_id", "member_id", "format"),

53 FOREIGN KEY ("issue_id", "member_id")

54 REFERENCES "direct_voter" ("issue_id", "member_id")

55 ON DELETE CASCADE ON UPDATE CASCADE,

56 "issue_id" INT4,

57 "member_id" INT4,

58 "format" TEXT,

59 "content" TEXT NOT NULL );

60

61 COMMENT ON TABLE "rendered_voter_comment" IS 'This table may be used by frontends to cache "rendered" voter comments (e.g. HTML output generated from wiki text)';

62

63

64 DROP TABLE "rendered_issue_comment";

65 DROP TABLE "issue_comment";

66 DROP TABLE "rendered_voting_comment";

67 DROP TABLE "voting_comment";

68

69 CREATE FUNCTION "non_voter_deletes_direct_voter_trigger"()

70 RETURNS TRIGGER

71 LANGUAGE 'plpgsql' VOLATILE AS $$

72 BEGIN

73 DELETE FROM "direct_voter"

74 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";

75 RETURN NULL;

76 END;

77 $$;

78

79 CREATE TRIGGER "non_voter_deletes_direct_voter"

80 AFTER INSERT OR UPDATE ON "non_voter"

81 FOR EACH ROW EXECUTE PROCEDURE

82 "non_voter_deletes_direct_voter_trigger"();

83

84 COMMENT ON FUNCTION "non_voter_deletes_direct_voter_trigger"() IS 'Implementation of trigger "non_voter_deletes_direct_voter" on table "non_voter"';

85 COMMENT ON TRIGGER "non_voter_deletes_direct_voter" ON "non_voter" IS 'An entry in the "non_voter" table deletes an entry in the "direct_voter" table (and vice versa due to trigger "direct_voter_deletes_non_voter" on table "direct_voter")';

86

87 CREATE FUNCTION "direct_voter_deletes_non_voter_trigger"()

88 RETURNS TRIGGER

89 LANGUAGE 'plpgsql' VOLATILE AS $$

90 BEGIN

91 DELETE FROM "non_voter"

92 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";

93 RETURN NULL;

94 END;

95 $$;

96

97 CREATE TRIGGER "direct_voter_deletes_non_voter"

98 AFTER INSERT OR UPDATE ON "direct_voter"

99 FOR EACH ROW EXECUTE PROCEDURE

100 "direct_voter_deletes_non_voter_trigger"();

101

102 COMMENT ON FUNCTION "direct_voter_deletes_non_voter_trigger"() IS 'Implementation of trigger "direct_voter_deletes_non_voter" on table "direct_voter"';

103 COMMENT ON TRIGGER "direct_voter_deletes_non_voter" ON "direct_voter" IS 'An entry in the "direct_voter" table deletes an entry in the "non_voter" table (and vice versa due to trigger "non_voter_deletes_direct_voter" on table "non_voter")';

104

105 CREATE FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"()

106 RETURNS TRIGGER

107 LANGUAGE 'plpgsql' VOLATILE AS $$

108 BEGIN

109 IF NEW."comment" ISNULL THEN

110 NEW."comment_changed" := NULL;

111 NEW."formatting_engine" := NULL;

112 END IF;

113 RETURN NEW;

114 END;

115 $$;

116

117 CREATE TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set"

118 BEFORE INSERT OR UPDATE ON "direct_voter"

119 FOR EACH ROW EXECUTE PROCEDURE

120 "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"();

121

122 COMMENT ON FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"() IS 'Implementation of trigger "voter_comment_fields_only_set_when_voter_comment_is_set" ON table "direct_voter"';

123 COMMENT ON TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set" ON "direct_voter" IS 'If "comment" is set to NULL, then other comment related fields are also set to NULL.';

124

125 CREATE OR REPLACE FUNCTION "freeze_after_snapshot"

126 ( "issue_id_p" "issue"."id"%TYPE )

127 RETURNS VOID

128 LANGUAGE 'plpgsql' VOLATILE AS $$

129 DECLARE

130 "issue_row" "issue"%ROWTYPE;

131 "policy_row" "policy"%ROWTYPE;

132 "initiative_row" "initiative"%ROWTYPE;

133 BEGIN

134 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";

135 SELECT * INTO "policy_row"

136 FROM "policy" WHERE "id" = "issue_row"."policy_id";

137 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');

138 FOR "initiative_row" IN

139 SELECT * FROM "initiative"

140 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL

141 LOOP

142 IF

143 "initiative_row"."polling" OR (

144 "initiative_row"."satisfied_supporter_count" > 0 AND

145 "initiative_row"."satisfied_supporter_count" *

146 "policy_row"."initiative_quorum_den" >=

147 "issue_row"."population" * "policy_row"."initiative_quorum_num"

148 )

149 THEN

150 UPDATE "initiative" SET "admitted" = TRUE

151 WHERE "id" = "initiative_row"."id";

152 ELSE

153 UPDATE "initiative" SET "admitted" = FALSE

154 WHERE "id" = "initiative_row"."id";

155 END IF;

156 END LOOP;

157 IF EXISTS (

158 SELECT NULL FROM "initiative"

159 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE

160 ) THEN

161 UPDATE "issue" SET

162 "state" = 'voting',

163 "accepted" = coalesce("accepted", now()),

164 "half_frozen" = coalesce("half_frozen", now()),

165 "fully_frozen" = now()

166 WHERE "id" = "issue_id_p";

167 ELSE

168 UPDATE "issue" SET

169 "state" = 'canceled_no_initiative_admitted',

170 "accepted" = coalesce("accepted", now()),

171 "half_frozen" = coalesce("half_frozen", now()),

172 "fully_frozen" = now(),

173 "closed" = now(),

174 "ranks_available" = TRUE

175 WHERE "id" = "issue_id_p";

176 -- NOTE: The following DELETE statements have effect only when

177 -- issue state has been manipulated

178 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";

179 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";

180 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";

181 END IF;

182 RETURN;

183 END;

184 $$;

185

186 CREATE OR REPLACE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)

187 RETURNS VOID

188 LANGUAGE 'plpgsql' VOLATILE AS $$

189 DECLARE

190 "issue_row" "issue"%ROWTYPE;

191 BEGIN

192 SELECT * INTO "issue_row"

193 FROM "issue" WHERE "id" = "issue_id_p"

194 FOR UPDATE;

195 IF "issue_row"."cleaned" ISNULL THEN

196 UPDATE "issue" SET

197 "state" = 'voting',

198 "closed" = NULL,

199 "ranks_available" = FALSE

200 WHERE "id" = "issue_id_p";

201 DELETE FROM "delegating_voter"

202 WHERE "issue_id" = "issue_id_p";

203 DELETE FROM "direct_voter"

204 WHERE "issue_id" = "issue_id_p";

205 DELETE FROM "delegating_interest_snapshot"

206 WHERE "issue_id" = "issue_id_p";

207 DELETE FROM "direct_interest_snapshot"

208 WHERE "issue_id" = "issue_id_p";

209 DELETE FROM "delegating_population_snapshot"

210 WHERE "issue_id" = "issue_id_p";

211 DELETE FROM "direct_population_snapshot"

212 WHERE "issue_id" = "issue_id_p";

213 DELETE FROM "non_voter"

214 WHERE "issue_id" = "issue_id_p";

215 DELETE FROM "delegation"

216 WHERE "issue_id" = "issue_id_p";

217 DELETE FROM "supporter"

218 WHERE "issue_id" = "issue_id_p";

219 UPDATE "issue" SET

220 "state" = "issue_row"."state",

221 "closed" = "issue_row"."closed",

222 "ranks_available" = "issue_row"."ranks_available",

223 "cleaned" = now()

224 WHERE "id" = "issue_id_p";

225 END IF;

226 RETURN;

227 END;

228 $$;

229

230 CREATE OR REPLACE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)

231 RETURNS VOID

232 LANGUAGE 'plpgsql' VOLATILE AS $$

233 DECLARE

234 "area_id_v" "area"."id"%TYPE;

235 "unit_id_v" "unit"."id"%TYPE;

236 "member_id_v" "member"."id"%TYPE;

237 BEGIN

238 PERFORM "lock_issue"("issue_id_p");

239 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";

240 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";

241 -- delete timestamp of voting comment:

242 UPDATE "direct_voter" SET "comment_changed" = NULL

243 WHERE "issue_id" = "issue_id_p";

244 -- delete delegating votes (in cases of manual reset of issue state):

245 DELETE FROM "delegating_voter"

246 WHERE "issue_id" = "issue_id_p";

247 -- delete votes from non-privileged voters:

248 DELETE FROM "direct_voter"

249 USING (

250 SELECT

251 "direct_voter"."member_id"

252 FROM "direct_voter"

253 JOIN "member" ON "direct_voter"."member_id" = "member"."id"

254 LEFT JOIN "privilege"

255 ON "privilege"."unit_id" = "unit_id_v"

256 AND "privilege"."member_id" = "direct_voter"."member_id"

257 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (

258 "member"."active" = FALSE OR

259 "privilege"."voting_right" ISNULL OR

260 "privilege"."voting_right" = FALSE

261 )

262 ) AS "subquery"

263 WHERE "direct_voter"."issue_id" = "issue_id_p"

264 AND "direct_voter"."member_id" = "subquery"."member_id";

265 -- consider delegations:

266 UPDATE "direct_voter" SET "weight" = 1

267 WHERE "issue_id" = "issue_id_p";

268 PERFORM "add_vote_delegations"("issue_id_p");

269 -- set voter count and mark issue as being calculated:

270 UPDATE "issue" SET

271 "state" = 'calculation',

272 "closed" = now(),

273 "voter_count" = (

274 SELECT coalesce(sum("weight"), 0)

275 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"

276 )

277 WHERE "id" = "issue_id_p";

278 -- materialize battle_view:

279 -- NOTE: "closed" column of issue must be set at this point

280 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";

281 INSERT INTO "battle" (

282 "issue_id",

283 "winning_initiative_id", "losing_initiative_id",

284 "count"

285 ) SELECT

286 "issue_id",

287 "winning_initiative_id", "losing_initiative_id",

288 "count"

289 FROM "battle_view" WHERE "issue_id" = "issue_id_p";

290 -- copy "positive_votes" and "negative_votes" from "battle" table:

291 UPDATE "initiative" SET

292 "positive_votes" = "battle_win"."count",

293 "negative_votes" = "battle_lose"."count"

294 FROM "battle" AS "battle_win", "battle" AS "battle_lose"

295 WHERE

296 "battle_win"."issue_id" = "issue_id_p" AND

297 "battle_win"."winning_initiative_id" = "initiative"."id" AND

298 "battle_win"."losing_initiative_id" ISNULL AND

299 "battle_lose"."issue_id" = "issue_id_p" AND

300 "battle_lose"."losing_initiative_id" = "initiative"."id" AND

301 "battle_lose"."winning_initiative_id" ISNULL;

302 END;

303 $$;

304

305 COMMENT ON FUNCTION "delete_private_data"() IS 'Used by lf_export script. DO NOT USE on productive database, but only on a copy! This function deletes all data which should not be publicly available, and can be used to create a database dump for publication. See source code to see which data is deleted. If you need a different behaviour, copy this function and modify lf_export accordingly, to avoid data-leaks after updating.';

306

307 COMMIT;