add community context proper role

Author: feruzm

packages/core/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@ecency/sdk",
   "private": false,
-  "version": "1.0.49",
+  "version": "1.0.50",
   "type": "module",
   "license": "MIT",
   "main": "./dist/ecency-sdk.umd.js",

packages/core/src/modules/communities/index.ts

@@ -1,2 +1,3 @@
 export * from "./queries";
 export * from "./types";
+export * from "./utils"

packages/core/src/modules/communities/queries/get-community-context-query-options.ts

@@ -0,0 +1,23 @@
+import { queryOptions } from "@tanstack/react-query";
+import { CONFIG } from "@/modules/core";
+
+export function getCommunityContextQueryOptions(
+    username: string | undefined,
+    communityName: string | undefined
+) {
+    return queryOptions({
+        queryKey: ["community", "context", username, communityName],
+        enabled: !!username && !!communityName,
+        queryFn: async () => {
+            const response = await CONFIG.hiveClient.call("bridge", "get_community_context", {
+                account: username,
+                name: communityName,
+            });
+
+            return {
+                role: response?.role ?? "guest",
+                subscribed: response?.subscribed ?? false,
+            };
+        },
+    });
+}

packages/core/src/modules/communities/queries/index.ts

@@ -1 +1,2 @@
 export * from "./get-communities-query-options";
+export * from "./get-community-context-query-options";

packages/core/src/modules/communities/utils/index.ts

@@ -0,0 +1,56 @@
+import { ROLES } from "../types";
+
+export type CommunityRole = (typeof ROLES)[keyof typeof ROLES]; // "owner" | "member" | ...
+export type CommunityType = "Topic" | "Journal" | "Council";
+
+/**
+ * Determine community type based on its `name` or `type_id`
+ */
+export function getCommunityType(name: string, type_id: number): CommunityType {
+    if (name.startsWith("hive-3") || type_id === 3) return "Council";
+    if (name.startsWith("hive-2") || type_id === 2) return "Journal";
+    return "Topic";
+}
+
+/**
+ * Compute permissions for a given user role in a community
+ */
+export function getCommunityPermissions({
+    communityType,
+    userRole,
+    subscribed,
+}: {
+    communityType: CommunityType;
+    userRole: CommunityRole;
+    subscribed: boolean;
+}) {
+    const canPost = (() => {
+        if (userRole === ROLES.MUTED) return false;
+
+        if (communityType === "Topic") return true;
+
+        // Journal & Council
+        return [ROLES.OWNER, ROLES.ADMIN, ROLES.MOD, ROLES.MEMBER].includes(userRole);
+    })();
+
+    const canComment = (() => {
+        if (userRole === ROLES.MUTED) return false;
+
+        switch (communityType) {
+            case "Topic":
+                return true;
+            case "Journal":
+                return userRole !== ROLES.GUEST || subscribed;
+            case "Council":
+                return canPost;
+        }
+    })();
+
+    const isModerator = [ROLES.OWNER, ROLES.ADMIN, ROLES.MOD].includes(userRole);
+
+    return {
+        canPost,
+        canComment,
+        isModerator,
+    };
+}