Merge branch 'forum-fetch-function' into 'master'

feat: Forum fetch function

See merge request !157

src/service/firestore/forum/fetchCommentsByPostId.ts

+import firebase from "firebase";
+import { getEnv } from "../../../helpers/getEnv";
+import { IThreadComment } from "../../../types/firestore/threadComment";
+
+export const fetchCommentsByPostId = async (
+  postId: string
+): Promise<IThreadComment[]> => {
+  const db = firebase.firestore();
+
+  const query = db
+    .collection("thread_comments_" + getEnv())
+    .where("threadId", "==", postId)
+    .orderBy("timestamp", "desc");
+
+  const snap = await query.get();
+
+  const comments: IThreadComment[] = [];
+
+  snap.docs.forEach((doc) => {
+    const data: IThreadComment = {
+      ...(doc.data() as IThreadComment),
+      id: doc.id,
+    };
+    comments.push(data);
+  });
+
+  return comments;
+};

src/service/firestore/forum/fetchPost.ts

+import firebase from "firebase";
+import { getEnv } from "../../../helpers/getEnv";
+import { IThread } from "../../../types/firestore/thread";
+
+export const fetchPost = async (postId: string) => {
+  const db = firebase.firestore();
+
+  const query = db.collection("threads_" + getEnv()).doc(postId);
+  const snap = await query.get();
+
+  const post = { ...(snap.data() as IThread), id: snap.id };
+  return post;
+};

src/service/firestore/forum/fetchPostsByEcosystemId.ts

+import firebase from "firebase";
+import { getEnv } from "../../../helpers/getEnv";
+import { IThread } from "../../../types/firestore/thread";
+
+export const fetchPostsByEcosystemId = async (
+  ecosystemId: string
+): Promise<IThread[]> => {
+  const db = firebase.firestore();
+
+  const query = db
+    .collection("threads_" + getEnv())
+    .where("ecosystemId", "==", ecosystemId)
+    .orderBy("timestamp", "desc");
+
+  const snap = await query.get();
+
+  const posts: IThread[] = [];
+
+  snap.docs.forEach((doc) => {
+    const data: IThread = { ...(doc.data() as IThread), id: doc.id };
+    posts.push(data);
+  });
+
+  return posts;
+};