add save line message to log

libs/line-message/index.js

@@ -23,6 +23,10 @@ const textMessage = async (evt) => {
   text = text.trim()
   if (text.length === 0) return
 
+  saveToLog(source, text).then(() => {}).catch(err => {
+    console.log(err)
+  })
+
   let result = await commands(text, source)
   if (result === null) return
   if (typeof result === 'object' && 'reply' in result) {
@@ -31,6 +35,41 @@ const textMessage = async (evt) => {
   }
 }
 
+const saveToLog = async (source, text = '') => {
+  if (!source || typeof source !== 'object') return null
+  if (typeof text !== 'string' || text.length === 0) return null
+  let {groupId, userId} = source
+  if (typeof groupId !== 'string' || groupId.length === 0) return null
+  if (typeof userId !== 'string' || userId.length === 0) return null
+  // connect database
+  let db = await DB.connect()
+
+  try {
+    let text = `select * from "public"."line_user" where "id" = $1`
+    let values = [userId]
+    let user = await db.query({text, values})
+    let data = null
+    if (user.rowCount === 0) {
+      data = api.line.getUserInfo(groupId, userId)
+      if (data === null) {
+        db.release()
+        return null
+      }
+      let text = `insert into "public"."line_user" ("id", "name") values ($1, $2)`
+      let values = [userId, data.displayName]
+      await db.query({text, values})
+    }
+    text = `insert into "public"."line_message_log" ("group", "user", "message") values ($1, $2, $3)`
+    values = [groupId, userId, text]
+    await db.query({text, values})
+  } catch (err) {
+    console.log('save log error :::: ', err)
+  }
+
+  db.release()
+  return null
+}
+
 const leaveGroup = async (group = '') => {
   if (typeof group !== 'string' || group.trim().length === 0) return
   let db = await DB.connect()