v2: init -- UI is nuked from orbit, major app restructuring

services/presentation.js

@@ -0,0 +1,72 @@
+const Service = require('./Service')
+const LRU = require('lru-cache')
+
+class PresentationService extends Service {
+  constructor (ctx) {
+    super(ctx)
+    this.M = ctx.M
+    this.discord = ctx.discord
+
+    this.cache = new LRU({ max: 500, maxAge: 100 * 60 * 5 })
+  }
+
+  serverSlug (server) {
+    return {
+      id: server.id,
+      name: server.name,
+      ownerID: server.ownerID,
+      icon: server.icon
+    }
+  }
+
+  async oldPresentableServers (collection, userId) {
+    let servers = []
+
+    for (let server of collection.array()) {
+      const gm = server.members.get(userId)
+
+      servers.push(await this.presentableServer(server, gm))
+    }
+
+    return servers
+  }
+
+  async presentableServers (collection, userId) {
+    return collection.array().areduce(async (acc, server) => {
+      const gm = server.members.get(userId)
+      acc.push(await this.presentableServer(server, gm, { incRoles: false }))
+      return acc
+    })
+  }
+
+  async presentableServer (server, gm, { incRoles = true } = {}) {
+    const sd = await this.ctx.server.get(server.id)
+
+    return {
+      id: server.id,
+      gm: {
+        nickname: gm.nickname,
+        color: gm.displayHexColor
+      },
+      server: this.serverSlug(server),
+      roles: (incRoles) ? (await this.rolesByServer(server, sd)).map(r => ({ ...r, selected: gm.roles.has(r.id) })) : [],
+      message: sd.message,
+      categories: sd.categories,
+      perms: this.discord.getPermissions(gm)
+    }
+  }
+
+  async rolesByServer (server) {
+    return server.roles
+      .filter(r => r.id !== server.id) // get rid of @everyone
+      .map(r => ({
+        id: r.id,
+        color: r.color,
+        name: r.name,
+        position: r.position,
+        safe: this.discord.safeRole(server.id, r.id)
+      }))
+  }
+}
+
+module.exports = PresentationService