feat: Add initial Discord clone application with Convex backend services and Electron React frontend components.

convex/channels.ts

@@ -1,5 +1,26 @@
 import { query, mutation } from "./_generated/server";
 import { v } from "convex/values";
+import { GenericMutationCtx } from "convex/server";
+import { DataModel, Id } from "./_generated/dataModel";
+
+type TableWithChannelIndex =
+  | "channelKeys"
+  | "dmParticipants"
+  | "typingIndicators"
+  | "voiceStates";
+
+async function deleteByChannel(
+  ctx: GenericMutationCtx<DataModel>,
+  table: TableWithChannelIndex,
+  channelId: Id<"channels">
+) {
+  const docs = await (ctx.db.query(table) as any)
+    .withIndex("by_channel", (q: any) => q.eq("channelId", channelId))
+    .collect();
+  for (const doc of docs) {
+    await ctx.db.delete(doc._id);
+  }
+}
 
 // List all non-DM channels
 export const list = query({
@@ -49,7 +70,6 @@ export const create = mutation({
       throw new Error("Channel name required");
     }
 
-    // Check for duplicate name
     const existing = await ctx.db
       .query("channels")
       .withIndex("by_name", (q) => q.eq("name", args.name))
@@ -105,13 +125,12 @@ export const remove = mutation({
       throw new Error("Channel not found");
     }
 
-    // Delete messages
+    // Delete reactions for all messages in this channel
     const messages = await ctx.db
       .query("messages")
       .withIndex("by_channel", (q) => q.eq("channelId", args.id))
       .collect();
     for (const msg of messages) {
-      // Delete reactions for this message
       const reactions = await ctx.db
         .query("messageReactions")
         .withIndex("by_message", (q) => q.eq("messageId", msg._id))
@@ -122,43 +141,11 @@ export const remove = mutation({
       await ctx.db.delete(msg._id);
     }
 
-    // Delete channel keys
-    const keys = await ctx.db
-      .query("channelKeys")
-      .withIndex("by_channel", (q) => q.eq("channelId", args.id))
-      .collect();
-    for (const key of keys) {
-      await ctx.db.delete(key._id);
-    }
+    await deleteByChannel(ctx, "channelKeys", args.id);
+    await deleteByChannel(ctx, "dmParticipants", args.id);
+    await deleteByChannel(ctx, "typingIndicators", args.id);
+    await deleteByChannel(ctx, "voiceStates", args.id);
 
-    // Delete DM participants
-    const dmParts = await ctx.db
-      .query("dmParticipants")
-      .withIndex("by_channel", (q) => q.eq("channelId", args.id))
-      .collect();
-    for (const dp of dmParts) {
-      await ctx.db.delete(dp._id);
-    }
-
-    // Delete typing indicators
-    const typing = await ctx.db
-      .query("typingIndicators")
-      .withIndex("by_channel", (q) => q.eq("channelId", args.id))
-      .collect();
-    for (const t of typing) {
-      await ctx.db.delete(t._id);
-    }
-
-    // Delete voice states
-    const voiceStates = await ctx.db
-      .query("voiceStates")
-      .withIndex("by_channel", (q) => q.eq("channelId", args.id))
-      .collect();
-    for (const vs of voiceStates) {
-      await ctx.db.delete(vs._id);
-    }
-
-    // Delete channel itself
     await ctx.db.delete(args.id);
 
     return { success: true };