jbe@0: #include <stdlib.h>
jbe@0: #include <stdio.h>
jbe@0: #include <string.h>
jbe@0: #include <libpq-fe.h>
jbe@0: 
jbe@0: int main(int argc, char **argv) {
jbe@1: 
jbe@1:   // variable declarations:
jbe@65:   int err = 0;
jbe@0:   int i, count;
jbe@0:   char *conninfo;
jbe@0:   PGconn *db;
jbe@0:   PGresult *list;
jbe@0:   PGresult *status;
jbe@1: 
jbe@1:   // parse command line:
jbe@0:   if (argc == 0) return 1;
jbe@0:   if (argc == 1 || !strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) {
jbe@0:     FILE *out;
jbe@0:     out = argc == 1 ? stderr : stdout;
jbe@0:     fprintf(stdout, "\n");
jbe@0:     fprintf(stdout, "Usage: %s <conninfo>\n", argv[0]);
jbe@0:     fprintf(stdout, "\n");
jbe@0:     fprintf(stdout, "<conninfo> is specified by PostgreSQL's libpq,\n");
jbe@0:     fprintf(stdout, "see http://www.postgresql.org/docs/8.4/static/libpq-connect.html\n");
jbe@0:     fprintf(stdout, "\n");
jbe@0:     fprintf(stdout, "Example: %s dbname=liquid_feedback\n", argv[0]);
jbe@0:     fprintf(stdout, "\n");
jbe@0:     return argc == 1 ? 1 : 0;
jbe@0:   }
jbe@0:   {
jbe@0:     size_t len = 0;
jbe@0:     for (i=1; i<argc; i++) len += strlen(argv[i]) + 1;
jbe@0:     conninfo = malloc(len * sizeof(char));
jbe@0:     if (!conninfo) {
jbe@0:       fprintf(stderr, "Error: Could not allocate memory for conninfo string\n");
jbe@0:       return 1;
jbe@0:     }
jbe@0:     conninfo[0] = 0;
jbe@0:     for (i=1; i<argc; i++) {
jbe@0:       if (i>1) strcat(conninfo, " ");
jbe@0:       strcat(conninfo, argv[i]);
jbe@0:     }
jbe@0:   }
jbe@1: 
jbe@1:   // connect to database:
jbe@0:   db = PQconnectdb(conninfo);
jbe@0:   if (!db) {
jbe@0:     fprintf(stderr, "Error: Could not create database handle\n");
jbe@0:     return 1;
jbe@0:   }
jbe@0:   if (PQstatus(db) != CONNECTION_OK) {
jbe@0:     fprintf(stderr, "Could not open connection:\n%s", PQerrorMessage(db));
jbe@0:     return 1;
jbe@0:   }
jbe@1: 
jbe@235:   // delete expired sessions:
jbe@235:   status = PQexec(db, "DELETE FROM \"expired_session\"");
jbe@235:   if (!status) {
jbe@235:     fprintf(stderr, "Error in pqlib while sending SQL command deleting expired sessions\n");
jbe@235:     err = 1;
jbe@235:   } else if (
jbe@235:     PQresultStatus(status) != PGRES_COMMAND_OK &&
jbe@235:     PQresultStatus(status) != PGRES_TUPLES_OK
jbe@235:   ) {
jbe@235:     fprintf(stderr, "Error while executing SQL command deleting expired sessions:\n%s", PQresultErrorMessage(status));
jbe@235:     err = 1;
jbe@235:     PQclear(status);
jbe@235:   } else {
jbe@235:     PQclear(status);
jbe@235:   }
jbe@235:  
jbe@184:   // check member activity:
jbe@184:   status = PQexec(db, "SELECT \"check_activity\"()");
jbe@103:   if (!status) {
jbe@184:     fprintf(stderr, "Error in pqlib while sending SQL command checking member activity\n");
jbe@103:     err = 1;
jbe@103:   } else if (
jbe@103:     PQresultStatus(status) != PGRES_COMMAND_OK &&
jbe@103:     PQresultStatus(status) != PGRES_TUPLES_OK
jbe@103:   ) {
jbe@184:     fprintf(stderr, "Error while executing SQL command checking member activity:\n%s", PQresultErrorMessage(status));
jbe@103:     err = 1;
jbe@103:     PQclear(status);
jbe@103:   } else {
jbe@103:     PQclear(status);
jbe@103:   }
jbe@103: 
jbe@4:   // calculate member counts:
jbe@4:   status = PQexec(db, "SELECT \"calculate_member_counts\"()");
jbe@4:   if (!status) {
jbe@4:     fprintf(stderr, "Error in pqlib while sending SQL command calculating member counts\n");
jbe@65:     err = 1;
jbe@65:   } else if (
jbe@4:     PQresultStatus(status) != PGRES_COMMAND_OK &&
jbe@4:     PQresultStatus(status) != PGRES_TUPLES_OK
jbe@4:   ) {
jbe@4:     fprintf(stderr, "Error while executing SQL command calculating member counts:\n%s", PQresultErrorMessage(status));
jbe@65:     err = 1;
jbe@65:     PQclear(status);
jbe@65:   } else {
jbe@65:     PQclear(status);
jbe@4:   }
jbe@4: 
jbe@1:   // update open issues:
jbe@0:   list = PQexec(db, "SELECT \"id\" FROM \"open_issue\"");
jbe@0:   if (!list) {
jbe@0:     fprintf(stderr, "Error in pqlib while sending SQL command selecting open issues\n");
jbe@65:     err = 1;
jbe@65:   } else if (PQresultStatus(list) != PGRES_TUPLES_OK) {
jbe@0:     fprintf(stderr, "Error while executing SQL command selecting open issues:\n%s", PQresultErrorMessage(list));
jbe@65:     err = 1;
jbe@65:     PQclear(list);
jbe@65:   } else {
jbe@65:     count = PQntuples(list);
jbe@65:     for (i=0; i<count; i++) {
jbe@65:       const char *params[1];
jbe@65:       params[0] = PQgetvalue(list, i, 0);
jbe@65:       status = PQexecParams(
jbe@65:         db, "SELECT \"check_issue\"($1)", 1, NULL, params, NULL, NULL, 0
jbe@65:       );
jbe@65:       if (!status) {
jbe@65:         fprintf(stderr, "Error in pqlib while sending SQL command to call function \"check_issue\"(...):\n");
jbe@65:         err = 1;
jbe@65:       } else if (
jbe@65:         PQresultStatus(status) != PGRES_COMMAND_OK &&
jbe@65:         PQresultStatus(status) != PGRES_TUPLES_OK
jbe@65:       ) {
jbe@65:         fprintf(stderr, "Error while calling SQL function \"check_issue\"(...):\n%s", PQresultErrorMessage(status));
jbe@65:         err = 1;
jbe@65:         PQclear(status);
jbe@65:       } else {
jbe@65:         PQclear(status);
jbe@65:       }
jbe@65:     }
jbe@65:     PQclear(list);
jbe@0:   }
jbe@1: 
jbe@1:   // calculate ranks after voting is finished:
jbe@1:   // (NOTE: This is a seperate process to avoid long transactions with locking)
jbe@0:   list = PQexec(db, "SELECT \"id\" FROM \"issue_with_ranks_missing\"");
jbe@0:   if (!list) {
jbe@0:     fprintf(stderr, "Error in pqlib while sending SQL command selecting issues where ranks are missing\n");
jbe@65:     err = 1;
jbe@65:   } else if (PQresultStatus(list) != PGRES_TUPLES_OK) {
jbe@0:     fprintf(stderr, "Error while executing SQL command selecting issues where ranks are missing:\n%s", PQresultErrorMessage(list));
jbe@65:     err = 1;
jbe@65:     PQclear(list);
jbe@65:   } else {
jbe@65:     count = PQntuples(list);
jbe@65:     for (i=0; i<count; i++) {
jbe@65:       const char *params[1];
jbe@65:       params[0] = PQgetvalue(list, i, 0);
jbe@65:       status = PQexecParams(
jbe@65:         db, "SELECT \"calculate_ranks\"($1)", 1, NULL, params, NULL, NULL, 0
jbe@65:       );
jbe@65:       if (!status) {
jbe@65:         fprintf(stderr, "Error in pqlib while sending SQL command to call function \"calculate_ranks\"(...):\n");
jbe@65:         err = 1;
jbe@65:       } else if (
jbe@65:         PQresultStatus(status) != PGRES_COMMAND_OK &&
jbe@65:         PQresultStatus(status) != PGRES_TUPLES_OK
jbe@65:       ) {
jbe@65:         fprintf(stderr, "Error while calling SQL function \"calculate_ranks\"(...):\n%s", PQresultErrorMessage(status));
jbe@65:         err = 1;
jbe@65:         PQclear(status);
jbe@65:       } else {
jbe@65:         PQclear(status);
jbe@65:       }
jbe@65:     }
jbe@65:     PQclear(list);
jbe@0:   }
jbe@1: 
jbe@1:   // cleanup and exit
jbe@0:   PQfinish(db);
jbe@65:   return err;
jbe@1: 
jbe@0: }