fixed comments count in citizen portal

migrations/007_comment_moderation.sql

@@ -0,0 +1,14 @@
+-- =====================================================================
+-- Migration 007: Adds Status Column to Comments for Moderation
+-- =====================================================================
+
+-- Adds Status Column with Default 'pending'
+ALTER TABLE comments
+    ADD COLUMN status VARCHAR(20) NOT NULL DEFAULT 'pending'
+    CHECK (status IN ('pending', 'approved', 'rejected'));
+
+-- Index for fast Status Filtering
+CREATE INDEX idx_comments_status ON comments(status);
+
+-- Sets all existing Comments to 'approved' (retroactive)
+UPDATE comments SET status = 'approved';

migrations/008_comment_count_trigger.sql

@@ -0,0 +1,65 @@
+-- =====================================================================
+-- Migration 008: Adds comment_count Column with automatic Trigger
+-- Mirrors Pattern from likes_count and dislikes_count.
+-- =====================================================================
+
+
+-- ---------------------------------------------------------------------
+-- Block 1: Adds comment_count Column to Contributions
+-- ---------------------------------------------------------------------
+ALTER TABLE contributions
+    ADD COLUMN comment_count INTEGER NOT NULL DEFAULT 0;
+
+
+-- ---------------------------------------------------------------------
+-- Block 2: Backfills existing Comment Counts
+-- ---------------------------------------------------------------------
+UPDATE contributions c
+SET comment_count = (
+    SELECT COUNT(*)
+    FROM comments cm
+    WHERE cm.contribution_id = c.contribution_id
+      AND cm.status = 'approved'
+);
+
+
+-- ---------------------------------------------------------------------
+-- Block 3: Trigger Function to update comment_count
+-- Fires on Status Change on comments. Only counts approved Comments
+-- ---------------------------------------------------------------------
+CREATE OR REPLACE FUNCTION update_comment_count()
+RETURNS TRIGGER AS $$
+BEGIN
+    IF TG_OP = 'INSERT' OR TG_OP = 'UPDATE' THEN
+        UPDATE contributions
+        SET comment_count = (
+            SELECT COUNT(*) FROM comments
+            WHERE contribution_id = NEW.contribution_id
+              AND status = 'approved'
+        )
+        WHERE contribution_id = NEW.contribution_id;
+    END IF;
+
+    IF TG_OP = 'DELETE' OR (TG_OP = 'UPDATE' AND OLD.contribution_id != NEW.contribution_id) THEN
+        UPDATE contributions
+        SET comment_count = (
+            SELECT COUNT(*) FROM comments
+            WHERE contribution_id = OLD.contribution_id
+              AND status = 'approved'
+        )
+        WHERE contribution_id = OLD.contribution_id;
+    END IF;
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+
+-- ---------------------------------------------------------------------
+-- Block 4: Attaches Trigger to comments Table
+-- ---------------------------------------------------------------------
+CREATE TRIGGER trigger_update_comment_count
+    AFTER INSERT OR DELETE OR UPDATE OF status
+    ON comments
+    FOR EACH ROW
+    EXECUTE FUNCTION update_comment_count();