feature (stats): Weekly and monthly goals.

Add a new editing interface for weekly and monthly goals.
Textual viewing interface is currently a stub.
Add `month_timestamp` and `week_timestamp` lion properties.

data/migration/v6-v7/migration.sql

@@ -21,6 +21,56 @@ CREATE TABLE member_profile_tags(
   _timestamp TIMESTAMPTZ DEFAULT now(),
   FOREIGN KEY (guildid, userid) REFERENCES members (guildid, userid)
 );
+CREATE INDEX member_profile_tags_members ON member_profile_tags (guildid, userid);
 
 
+-- New member weekly and monthly goals
+CREATE TABLE member_weekly_goals(
+  guildid BIGINT NOT NULL,
+  userid BIGINT NOT NULL,
+  weekid INTEGER NOT NULL, -- Epoch time of the start of the UTC week
+  study_goal INTEGER,
+  task_goal INTEGER,
+  _timestamp TIMESTAMPTZ DEFAULT now(),
+  PRIMARY KEY (guildid, userid, weekid),
+  FOREIGN KEY (guildid, userid) REFERENCES members (guildid, userid) ON DELETE CASCADE
+);
+CREATE INDEX member_weekly_goals_members ON member_weekly_goals (guildid, userid);
+
+CREATE TABLE member_weekly_goal_tasks(
+  taskid SERIAL PRIMARY KEY,
+  guildid BIGINT NOT NULL,
+  userid BIGINT NOT NULL,
+  weekid INTEGER NOT NULL,
+  content TEXT NOT NULL,
+  completed BOOLEAN NOT NULL DEFAULT FALSE,
+  _timestamp TIMESTAMPTZ DEFAULT now(),
+  FOREIGN KEY (weekid, guildid, userid) REFERENCES member_weekly_goals (weekid, guildid, userid) ON DELETE CASCADE
+);
+CREATE INDEX member_weekly_goal_tasks_members_weekly ON member_weekly_goal_tasks (guildid, userid, weekid);
+
+CREATE TABLE member_monthly_goals(
+  guildid BIGINT NOT NULL,
+  userid BIGINT NOT NULL,
+  monthid INTEGER NOT NULL, -- Epoch time of the start of the UTC month
+  study_goal INTEGER,
+  task_goal INTEGER,
+  _timestamp TIMESTAMPTZ DEFAULT now(),
+  PRIMARY KEY (guildid, userid, monthid),
+  FOREIGN KEY (guildid, userid) REFERENCES members (guildid, userid) ON DELETE CASCADE
+);
+CREATE INDEX member_monthly_goals_members ON member_monthly_goals (guildid, userid);
+
+CREATE TABLE member_monthly_goal_tasks(
+  taskid SERIAL PRIMARY KEY,
+  guildid BIGINT NOT NULL,
+  userid BIGINT NOT NULL,
+  monthid INTEGER NOT NULL,
+  content TEXT NOT NULL,
+  completed BOOLEAN NOT NULL DEFAULT FALSE,
+  _timestamp TIMESTAMPTZ DEFAULT now(),
+  FOREIGN KEY (monthid, guildid, userid) REFERENCES member_monthly_goals (monthid, guildid, userid) ON DELETE CASCADE
+);
+CREATE INDEX member_monthly_goal_tasks_members_monthly ON member_monthly_goal_tasks (guildid, userid, monthid);
+
 INSERT INTO VersionHistory (version, author) VALUES (7, 'v6-v7 migration');