* DM front + back WIP

back/volume/src/chat/chat.controller.ts

@@ -214,22 +214,26 @@ export class ChatController {
     return await this.channelService.getChannelsForUser(+profile.id)
   }
 
-  @Get('dms/:otherId')
+  @Get('dms/:otherName')
   async getDMsForUser (
     @Profile42() profile: Profile,
       @Param('otherName') otherName: string
   ): Promise<Channel[]> {
+    const user = await this.usersService.findUser(profile.fdId)
     const other = await this.usersService.findUserByName(otherName)
-    const otherId = other.ftId
     const channels = await this.channelService.getChannelsForUser(+profile.id)
 
-    return channels.filter((channel: Channel) => {
+    if (user === null) {
+      throw new BadRequestException('User not found')
+    }
+    const dms = channels.filter((channel: Channel) => {
       return (
-        channel.users?.some((ch) => ch.id === otherId) &&
+        channel.name === (user.username + '&' + other.username) &&
         channel.isPrivate &&
-        channel.password === ''
+        (channel.password === undefined || channel.password === '')
       )
     })
+    return dms
   }
 
   @Get(':id/leave')

back/volume/src/chat/chat.service.ts

@@ -1,4 +1,4 @@
-import { Injectable, NotFoundException } from '@nestjs/common'
+import { BadRequestException, Injectable } from '@nestjs/common'
 import { InjectRepository } from '@nestjs/typeorm'
 import { Repository } from 'typeorm'
 
@@ -20,7 +20,7 @@ export class ChatService {
   async createChannel (channel: CreateChannelDto): Promise<Channel> {
     const user: User | null = await this.usersService.findUser(channel.owner)
     if (user == null) {
-      throw new NotFoundException(`User #${channel.owner} not found`)
+      throw new BadRequestException(`User #${channel.owner} not found`)
     }
 
     let newChannel: Channel
@@ -29,10 +29,13 @@ export class ChatService {
         channel.otherDMedUsername
       )
       if (otherUser == null) {
-        throw new NotFoundException(
+        throw new BadRequestException(
           `User #${channel.otherDMedUsername} not found`
         )
       }
+      if (otherUser.id === user.id) {
+        throw new BadRequestException('Cannot DM yourself')
+      }
       newChannel = this.createDM(user, otherUser)
     } else {
       newChannel = new Channel()
@@ -50,13 +53,10 @@ export class ChatService {
     const newDM = new Channel()
     newDM.isPrivate = true
     newDM.password = ''
-
     newDM.owner = user
     newDM.users = [user, otherUser]
     newDM.admins = []
     newDM.name = user.username + '&' + otherUser.username
-    newDM.isPrivate = true
-    newDM.password = ''
     return newDM
   }
 
@@ -65,7 +65,7 @@ export class ChatService {
       id
     })
     if (channel === null) {
-      throw new NotFoundException(`Channel #${id} not found`)
+      throw new BadRequestException(`Channel #${id} not found`)
     }
     channel.password = password
     await this.ChannelRepository.save(channel)
@@ -110,7 +110,7 @@ export class ChatService {
   async getChannel (id: number): Promise<Channel> {
     const channel = await this.ChannelRepository.findOneBy({ id })
     if (channel == null) {
-      throw new NotFoundException(`Channel #${id} not found`)
+      throw new BadRequestException(`Channel #${id} not found`)
     }
     return channel
   }
@@ -122,7 +122,7 @@ export class ChatService {
     })
 
     if (channel == null) {
-      throw new NotFoundException(`Channel #${id} not found`)
+      throw new BadRequestException(`Channel #${id} not found`)
     }
     return channel
   }
@@ -145,7 +145,7 @@ export class ChatService {
       relations: { owner: true }
     })
     if (channel === null) {
-      throw new NotFoundException(`Channel #${id} not found`)
+      throw new BadRequestException(`Channel #${id} not found`)
     }
     return channel.owner.ftId === userId
   }
@@ -156,7 +156,7 @@ export class ChatService {
       relations: { admins: true }
     })
     if (channel === null) {
-      throw new NotFoundException(`Channel #${id} not found`)
+      throw new BadRequestException(`Channel #${id} not found`)
     }
     return channel.admins.findIndex((user) => user.ftId === userId) !== -1
   }
@@ -167,7 +167,7 @@ export class ChatService {
       relations: { users: true }
     })
     if (channel === null) {
-      throw new NotFoundException(`Channel #${id} not found`)
+      throw new BadRequestException(`Channel #${id} not found`)
     }
     return channel.users.findIndex((user) => user.ftId === userId) !== -1
   }
@@ -178,7 +178,7 @@ export class ChatService {
       relations: { banned: true }
     })
     if (channel === null) {
-      throw new NotFoundException(`Channel #${id} not found`)
+      throw new BadRequestException(`Channel #${id} not found`)
     }
     return channel.banned.findIndex((user) => user.ftId === userId) !== -1
   }
@@ -188,7 +188,7 @@ export class ChatService {
       where: { id }
     })
     if (channel === null) {
-      throw new NotFoundException(`Channel #${id} not found`)
+      throw new BadRequestException(`Channel #${id} not found`)
     }
 
     const mutation: number[] | undefined = channel.muted.find(

front/volume/src/App.svelte

@@ -30,7 +30,6 @@
 
   import { store, getUser, login, verify } from "./Auth";
   import FakeLogin from "./FakeLogin.svelte";
-    // import { channel } from "diagnostics_channel";
 
   // Single Page Application config
   let appState: string = APPSTATE.HOME;
@@ -59,15 +58,6 @@
     getUser();
   }, 15000);
 
-  let DMChannel: Array<ChannelsType> = [];
-  onMount(async () => {
-    const res = await fetch(API_URL + "/channels/dms/" + DMUsername, {
-      credentials: "include",
-      mode: "cors",
-    });
-    if (res.ok) DMChannel = await res.json();
-  });
-
   function clickProfile() {
     setAppState(APPSTATE.PROFILE);
   }
@@ -79,15 +69,54 @@
   }
 
   let chan: Channels;
-  let DMUsername: string = "";
   async function openDirectChat(event: CustomEvent<string>) {
-	// pass profile to backend
-	// backend looks for a chat and if it doesn't exist it creates it
-	// backend send chat id to front end
-	// front opens chat with selectChat()
-	DMUsername = event.detail;
-	console.log(chan);
+    const DMUsername = "test";
+    let DMChannel: Array<ChannelsType> = [];
+    const res = await fetch(API_URL + "/channels/dms/" + DMUsername, {
+      credentials: "include",
+      mode: "cors",
+    });
+    if (res.ok) {
+      DMChannel = await res.json();
+      if (DMChannel.length != 0) {
+        chan.selectChat(DMChannel[0].id);
+      } else {
+        console.log("Creating DMChannel: " + $store.username + "&" + DMUsername)
+        const response = await fetch(API_URL + "/channels", {
+          credentials: "include",
+          method: "POST",
+          mode: "cors",
+          headers: {
+            "Content-Type": "application/json",
+          },
+          body: JSON.stringify({
+            name: $store.username + "&" + DMUsername,
+            owner: $store.ftId,
+            password: "",
+            isPrivate: true,
+            isDM: true,
+            otherDMedUsername: DMUsername
+          }),
+        });
+        if (response.ok) {
+          const res = await fetch(API_URL + "/channels/dms/" + DMUsername, {
+            credentials: "include",
+            mode: "cors",
+          });
+          if (res.ok) {
+              DMChannel = await res.json(); 
+              if (DMChannel.length != 0) {
+                console.log("Found DMChannel: ", DMChannel);
                 chan.selectChat(DMChannel[0].id);
+              } else {
+                alert("Error creating 1 DM");
+              }
+          } else {
+            alert("Error creating 2 DM");
+          }
+        }
+      }
+    }
   }
 
   async function clickHistory() {
@@ -171,7 +200,8 @@
         <div
 		      class="{appState.replace(APPSTATE.CHANNELS, "") !== "" ? 'hidden' : ''}"
 		      on:click={resetAppState}
-		on:keydown={resetAppState}>
+		      on:keydown={resetAppState}
+        >
           <Channels bind:this={chan} onSelectChannel={handleSelectChannel} />
         </div>
       <!-- {/if} -->

front/volume/src/components/Channels.svelte

@@ -40,13 +40,16 @@
 
   export let onSelectChannel: (channel: ChannelsType) => void;
   export const selectChat = (id: number) => {
-	console.log(id);
+    getChannels().then(() => {
       const channel = channels.find((c) => c.id === id);
       if (channel) {
         joinChannel(id);
         console.log("joined a channel")
       onSelectChannel(channel);
+      } else {
+        alert("Did not find channel");
       }
+    });
   };