feat: Implement core chat page with channel navigation, direct messages, and voice chat integration.

convex/channels.ts

@@ -32,7 +32,7 @@ export const list = query({
       _creationTime: v.number(),
       name: v.string(),
       type: v.string(),
-      category: v.optional(v.string()),
+      categoryId: v.optional(v.id("categories")),
       topic: v.optional(v.string()),
       position: v.optional(v.number()),
     })
@@ -54,7 +54,7 @@ export const get = query({
       _creationTime: v.number(),
       name: v.string(),
       type: v.string(),
-      category: v.optional(v.string()),
+      categoryId: v.optional(v.id("categories")),
       topic: v.optional(v.string()),
       position: v.optional(v.number()),
     }),
@@ -70,7 +70,7 @@ export const create = mutation({
   args: {
     name: v.string(),
     type: v.optional(v.string()),
-    category: v.optional(v.string()),
+    categoryId: v.optional(v.id("categories")),
     topic: v.optional(v.string()),
     position: v.optional(v.number()),
   },
@@ -89,12 +89,26 @@ export const create = mutation({
       throw new Error("Channel already exists");
     }
 
+    // Auto-calculate position if not provided
+    let position = args.position;
+    if (position === undefined) {
+      const allChannels = await ctx.db.query("channels").collect();
+      const sameCategory = allChannels.filter(
+        (c) => c.categoryId === args.categoryId && c.type !== "dm"
+      );
+      const maxPos = sameCategory.reduce(
+        (max, c) => Math.max(max, c.position ?? 0),
+        -1000
+      );
+      position = maxPos + 1000;
+    }
+
     const id = await ctx.db.insert("channels", {
       name: args.name,
       type: args.type || "text",
-      category: args.category,
+      categoryId: args.categoryId,
       topic: args.topic,
-      position: args.position,
+      position,
     });
 
     return { id };
@@ -127,7 +141,7 @@ export const rename = mutation({
     _creationTime: v.number(),
     name: v.string(),
     type: v.string(),
-    category: v.optional(v.string()),
+    categoryId: v.optional(v.id("categories")),
     topic: v.optional(v.string()),
     position: v.optional(v.number()),
   }),
@@ -146,6 +160,48 @@ export const rename = mutation({
   },
 });
 
+// Move a channel to a different category with a new position
+export const moveChannel = mutation({
+  args: {
+    id: v.id("channels"),
+    categoryId: v.optional(v.id("categories")),
+    position: v.number(),
+  },
+  returns: v.null(),
+  handler: async (ctx, args) => {
+    const channel = await ctx.db.get(args.id);
+    if (!channel) throw new Error("Channel not found");
+    await ctx.db.patch(args.id, {
+      categoryId: args.categoryId,
+      position: args.position,
+    });
+    return null;
+  },
+});
+
+// Batch reorder channels
+export const reorderChannels = mutation({
+  args: {
+    updates: v.array(
+      v.object({
+        id: v.id("channels"),
+        categoryId: v.optional(v.id("categories")),
+        position: v.number(),
+      })
+    ),
+  },
+  returns: v.null(),
+  handler: async (ctx, args) => {
+    for (const u of args.updates) {
+      await ctx.db.patch(u.id, {
+        categoryId: u.categoryId,
+        position: u.position,
+      });
+    }
+    return null;
+  },
+});
+
 // Delete channel + cascade messages and keys
 export const remove = mutation({
   args: { id: v.id("channels") },