Seperated api module to submodules

src/modules/api/submodules/forum.ts

@@ -0,0 +1,220 @@
+import { v4 as uuidv4 } from 'uuid'
+
+import logger from '../../../utils/logger'
+import utils from '../../../utils/utils'
+import { Request, SubmoduleData, User } from '../../../types/basicTypes'
+
+const adminUsersFile = 'data/admins.json'
+
+function addComment(obj, path, comment) {
+  if (path.length === 0) {
+    obj.push(comment)
+  } else {
+    const i = path.pop()
+    if (!obj[i].subComments) {
+      obj[i].subComments = []
+    }
+    addComment(obj[i].subComments, path, comment)
+  }
+}
+
+function deleteComment(obj: any, path: Array<number>, userid: number): boolean {
+  if (path.length === 1) {
+    if (obj[path[0]].user === userid) {
+      obj.splice(path[0], 1)
+      return true
+    } else {
+      return false
+    }
+  } else {
+    const i = path.pop()
+    deleteComment(obj[i].subComments, path, userid)
+    return true
+  }
+}
+
+function addReaction(obj, path, { reaction, isDelete, uid }) {
+  if (path.length === 1) {
+    const index = path[0]
+    if (!obj[index].reacts) {
+      obj[index].reacts = {}
+    }
+    if (isDelete) {
+      if (obj[index].reacts[reaction]) {
+        obj[index].reacts[reaction] = obj[index].reacts[reaction].filter(
+          (uid) => {
+            return uid !== uid
+          }
+        )
+        if (obj[index].reacts[reaction].length === 0) {
+          delete obj[index].reacts[reaction]
+        }
+      }
+    } else {
+      if (!obj[index].reacts[reaction]) {
+        obj[index].reacts[reaction] = [uid]
+      } else {
+        if (!obj[index].reacts[reaction].includes(uid)) {
+          obj[index].reacts[reaction].push(uid)
+        }
+      }
+    }
+  } else {
+    const i = path.pop()
+    addReaction(obj[i].subComments, path, {
+      reaction: reaction,
+      isDelete: isDelete,
+      uid: uid,
+    })
+  }
+}
+
+function setup(data: SubmoduleData): void {
+  const { app, /* userDB, url, */ publicdirs /*, moduleSpecificData */ } = data
+
+  const publicDir = publicdirs[0]
+
+  const newsFile = publicDir + 'news.json'
+
+  app.post('/react', (req: Request, res) => {
+    logger.LogReq(req)
+
+    const user: User = req.session.user
+    const news: any = utils.ReadJSON(newsFile)
+
+    const { newsKey, path, reaction, isDelete } = req.body
+    if (!newsKey || !reaction) {
+      res.json({ status: 'fail', msg: 'no newskey or reaction' })
+      return
+    }
+    if (!path || path.length === 0) {
+      if (news[newsKey]) {
+        if (isDelete) {
+          if (news[newsKey].reacts) {
+            news[newsKey].reacts[reaction] = news[newsKey].reacts[
+              reaction
+            ].filter((uid) => {
+              return uid !== user.id
+            })
+            if (news[newsKey].reacts[reaction].length === 0) {
+              delete news[newsKey].reacts[reaction]
+            }
+          }
+        } else {
+          if (!news[newsKey].reacts) {
+            news[newsKey].reacts = { [reaction]: [user.id] }
+          } else {
+            if (Array.isArray(news[newsKey].reacts[reaction])) {
+              if (!news[newsKey].reacts[reaction].includes(user.id)) {
+                news[newsKey].reacts[reaction].push(user.id)
+              }
+            } else {
+              news[newsKey].reacts[reaction] = [user.id]
+            }
+          }
+        }
+      }
+    } else {
+      addReaction(news[newsKey].comments, path, {
+        reaction: reaction,
+        isDelete: isDelete,
+        uid: user.id,
+      })
+    }
+
+    utils.WriteFile(JSON.stringify(news, null, 2), newsFile)
+    res.json({ status: 'ok', news: news })
+  })
+
+  app.post('/comment', (req: Request, res) => {
+    logger.LogReq(req)
+
+    const user: User = req.session.user
+    const news: any = utils.ReadJSON(newsFile)
+    const admins: any = utils.FileExists(adminUsersFile)
+      ? utils.ReadJSON(adminUsersFile)
+      : []
+    const { type, path, newsKey } = req.body
+    if (!type || !path || !newsKey) {
+      res.json({ status: 'fail', msg: ' type or path or newsKey is undefined' })
+      return
+    }
+
+    if (type === 'add') {
+      const { content } = req.body
+      const comment = {
+        date: utils.GetDateString(),
+        user: user.id,
+        content: content,
+        admin: admins.includes(user.id),
+      }
+      if (!news[newsKey].comments) {
+        news[newsKey].comments = []
+      }
+      addComment(news[newsKey].comments, path, comment)
+    } else if (type === 'delete') {
+      if (news[newsKey].comments) {
+        const success = deleteComment(news[newsKey].comments, path, user.id)
+        if (!success) {
+          res.json({
+            status: 'fail',
+            msg: 'you cant delete other users comments',
+            news: news,
+          })
+          return
+        }
+      }
+    } else {
+      res.json({ status: 'fail', msg: 'no such type', news: news })
+      return
+    }
+    utils.WriteFile(JSON.stringify(news, null, 2), newsFile)
+    res.json({ status: 'ok', news: news })
+  })
+
+  app.post('/rmPost', (req: Request, res) => {
+    logger.LogReq(req)
+    const user: User = req.session.user
+    const news: any = utils.ReadJSON(newsFile)
+    const { newsKey } = req.body
+
+    if (news[newsKey].user === user.id) {
+      delete news[newsKey]
+    } else {
+      res.json({
+        status: 'fail',
+        msg: 'u cant delete other users posts!',
+        news: news,
+      })
+      return
+    }
+
+    utils.WriteFile(JSON.stringify(news, null, 2), newsFile)
+    res.json({ status: 'ok', news: news })
+  })
+
+  app.post('/addPost', (req: Request, res) => {
+    logger.LogReq(req)
+    const user: User = req.session.user
+    const news: any = utils.ReadJSON(newsFile)
+    const admins: any = utils.FileExists(adminUsersFile)
+      ? utils.ReadJSON(adminUsersFile)
+      : []
+    const { title, content } = req.body
+
+    news[uuidv4()] = {
+      date: utils.GetDateString(),
+      user: user.id,
+      title: title,
+      content: content,
+      admin: admins.includes(user.id),
+    }
+
+    utils.WriteFile(JSON.stringify(news, null, 2), newsFile)
+    res.json({ status: 'ok', news: news })
+  })
+}
+
+export default {
+  setup: setup,
+}