From 1a46cf7ef398ba841a51cb305c5425184000be0f Mon Sep 17 00:00:00 2001
From: Kai Vogelgesang <kai@leafbla.de>
Date: Sun, 25 Sep 2022 20:02:52 +0200
Subject: [PATCH] Implement event log

---
 frontend/src/App.svelte                       | 20 ----
 frontend/src/Navbar.svelte                    |  2 -
 frontend/src/pages/monitoring/Event.svelte    | 95 +++++++++++++++++++
 frontend/src/pages/monitoring/Events.svelte   | 34 +++++++
 .../src/pages/monitoring/Monitoring.svelte    | 17 ++--
 frontend/src/pages/playground/Bar.svelte      | 21 ----
 frontend/src/pages/playground/Canvas.svelte   | 24 -----
 server/server/__init__.py                     |  2 +
 server/server/api.py                          | 40 ++++++++
 server/server/db.py                           | 12 +++
 server/server/monitoring.py                   | 58 +----------
 11 files changed, 197 insertions(+), 128 deletions(-)
 create mode 100644 frontend/src/pages/monitoring/Event.svelte
 create mode 100644 frontend/src/pages/monitoring/Events.svelte
 delete mode 100644 frontend/src/pages/playground/Bar.svelte
 delete mode 100644 frontend/src/pages/playground/Canvas.svelte
 create mode 100644 server/server/api.py

diff --git a/frontend/src/App.svelte b/frontend/src/App.svelte
index 4ab0ec1..b5fff04 100644
--- a/frontend/src/App.svelte
+++ b/frontend/src/App.svelte
@@ -4,13 +4,10 @@
 
   import { user } from "./stores";
 
-  import Navbar from "./Navbar.svelte";
   import P404 from "./pages/P404.svelte";
   import Mining from "./pages/mining/Mining.svelte";
-  import Footer from "./Footer.svelte";
   import BaseLayout from "./BaseLayout.svelte";
   import Monitoring from "./pages/monitoring/Monitoring.svelte";
-    import Bar from "./pages/playground/Bar.svelte";
 
   onMount(async () => {
     const res = await fetch("/user/me");
@@ -27,23 +24,6 @@
     </BaseLayout>
   </Route>
 
-  <Route path="foo">
-    <BaseLayout>
-      <section class="hero is-danger is-fullheight">
-        <div class="hero-body">
-          <div class="">
-            <p class="title">Fullheight hero</p>
-            <p class="subtitle">Fullheight subtitle</p>
-          </div>
-        </div>
-      </section>
-    </BaseLayout>
-  </Route>
-
-  <Route path="bar">
-    <BaseLayout><Bar /></BaseLayout>
-  </Route>
-
   <Route path="monitoring/*">
     <BaseLayout><Monitoring /></BaseLayout>
   </Route>
diff --git a/frontend/src/Navbar.svelte b/frontend/src/Navbar.svelte
index f40a814..34a1b07 100644
--- a/frontend/src/Navbar.svelte
+++ b/frontend/src/Navbar.svelte
@@ -30,8 +30,6 @@
     </div>
     <div class="navbar-menu {menu_open ? 'is-active' : ''}">
         <div class="navbar-start">
-            <Navlink target="/foo" text="Foo" icon="fas fa-hippo" />
-            <Navlink target="/bar" text="Bar" icon="fas fa-otter" />
             <Navlink target="/monitoring" text="Monitoring" icon="fas fa-binoculars" />
             <Navlink target="/mining" text="Mining" icon="fas fa-person-digging" />
             <Navlink target="/stats" text="Statistics" icon="fas fa-chart-line" />
diff --git a/frontend/src/pages/monitoring/Event.svelte b/frontend/src/pages/monitoring/Event.svelte
new file mode 100644
index 0000000..d20a764
--- /dev/null
+++ b/frontend/src/pages/monitoring/Event.svelte
@@ -0,0 +1,95 @@
+<script lang="ts" context="module">
+    type Event = {
+        icon: string;
+        text: string;
+    };
+    const mappings: Map<string, (any) => Event> = new Map([
+        [
+            "computer_connect",
+            (value) => ({
+                icon: "fas fa-circle-plus",
+                text: `Computer ${value.computer_id} connected`,
+            }),
+        ],
+        [
+            "computer_disconnect",
+            (value) => ({
+                icon: "fas fa-circle-minus",
+                text: `Computer ${value.computer_id} disconnected`,
+            }),
+        ],
+    ]);
+</script>
+
+<script lang="ts">
+    export let timestamp: string;
+    export let value: any;
+
+    let icon = "far fa-circle-question";
+    let text = "Unknown event";
+
+    if ("type" in value) {
+        let m = mappings.get(value.type);
+        if (m) {
+            let mapped = m(value);
+            icon = mapped.icon;
+            text = mapped.text;
+        }
+    }
+
+    let datetime = new Date(timestamp);
+
+    let expanded = false;
+</script>
+
+<div
+    class="entry"
+    on:click={() => {
+        expanded = !expanded;
+    }}
+>
+    <div class="headers">
+        <div><span class="icon"><i class={icon} /></span></div>
+        <div class="header-title">{text}</div>
+        <div>{datetime}</div>
+        <div>
+            <span class="icon"
+                ><i
+                    class="fas {expanded ? 'fa-angle-up' : 'fa-angle-down'}"
+                /></span
+            >
+        </div>
+    </div>
+    {#if expanded}
+        <div class="expandable">
+            <pre>{JSON.stringify(value, null, 1)}</pre>
+        </div>
+    {/if}
+</div>
+
+<style lang="scss">
+    .entry {
+        background-color: #fafafa;
+        display: flex;
+        flex-direction: column;
+
+        &:nth-child(even) {
+            background-color: white;
+        }
+
+        border-top: 1px solid #dbdbdb;
+    }
+
+    .headers {
+        display: flex;
+        flex-direction: row;
+        align-items: center;
+        gap: 15px;
+
+        cursor: pointer;
+    }
+
+    .header-title {
+        flex: 1 1 0;
+    }
+</style>
diff --git a/frontend/src/pages/monitoring/Events.svelte b/frontend/src/pages/monitoring/Events.svelte
new file mode 100644
index 0000000..2dedf7b
--- /dev/null
+++ b/frontend/src/pages/monitoring/Events.svelte
@@ -0,0 +1,34 @@
+<script lang="ts">
+    import { onMount } from "svelte";
+    import Event from "./Event.svelte";
+
+    const ENDPOINT = "/api/events";
+
+    let events: { _id: string; timestamp: string; value: any }[] = [];
+
+    onMount(() => {
+        let int = setInterval(async () => {
+            let r = await fetch(ENDPOINT);
+            events = await r.json();
+        }, 200);
+
+        return () => {
+            clearInterval(int);
+        };
+    });
+</script>
+
+<div class="events">
+    {#each events as event (event._id)}
+        <Event {...event} />
+    {/each}
+</div>
+
+<style lang="scss">
+    .events {
+        display: flex;
+        justify-content: center;
+        flex-direction: column;
+        width: 100%;
+    }
+</style>
diff --git a/frontend/src/pages/monitoring/Monitoring.svelte b/frontend/src/pages/monitoring/Monitoring.svelte
index 0701ece..c1c4560 100644
--- a/frontend/src/pages/monitoring/Monitoring.svelte
+++ b/frontend/src/pages/monitoring/Monitoring.svelte
@@ -1,27 +1,28 @@
 <script lang="ts">
     import { Link, Route, useParams } from "svelte-navigator";
+    import Events from "./Events.svelte";
     import Viewer from "./Viewer.svelte";
 
     const uuids = ["8b9faf9f-9470-4a50-b405-0af5f0152550"];
 </script>
 
 <section class="section">
-    <Route path="/">
-        <div class="content">
+    <div class="container">
+        <Route path="/">
             <p>Yo wassup</p>
             <ul>
                 {#each uuids as id}
                     <li><Link to="./{id}">{id}</Link></li>
                 {/each}
             </ul>
-        </div>
-    </Route>
+            <p>eventeroni</p>
+            <Events />
+        </Route>
 
-    <Route path=":id" let:params>
-        <div class="container">
+        <Route path=":id" let:params>
             <h1 class="title">ASSUMING DIRECT CONTROL</h1>
             <Viewer uuid={params.id} />
             <Link to="..">fuck go back</Link>
-        </div>
-    </Route>
+        </Route>
+    </div>
 </section>
diff --git a/frontend/src/pages/playground/Bar.svelte b/frontend/src/pages/playground/Bar.svelte
deleted file mode 100644
index 3f756a7..0000000
--- a/frontend/src/pages/playground/Bar.svelte
+++ /dev/null
@@ -1,21 +0,0 @@
-<script lang="ts">
-    import { onDestroy } from "svelte";
-    import Canvas from "./Canvas.svelte";
-
-    let colors = ["#ff6600", "#00ff66", "#6600ff"];
-
-    let i = 0;
-    $: color = colors[i];
-
-    let int = setInterval(() => {
-        i = (i + 1) % colors.length;
-    }, 1000);
-
-    onDestroy(() => {
-        clearInterval(int);
-    });
-</script>
-
-<section class="section">
-    <Canvas {color} />
-</section>
diff --git a/frontend/src/pages/playground/Canvas.svelte b/frontend/src/pages/playground/Canvas.svelte
deleted file mode 100644
index 748ed3f..0000000
--- a/frontend/src/pages/playground/Canvas.svelte
+++ /dev/null
@@ -1,24 +0,0 @@
-<script lang="ts">
-    import { onMount } from "svelte";
-
-    export let color: string;
-
-    let canvas: HTMLCanvasElement;
-
-    let redraws = 0;
-
-    function redraw(color) {
-        if (!canvas) return;
-
-        redraws += 1;
-        let cx = canvas.getContext("2d");
-        cx.fillStyle = color;
-        cx.fillRect(0, 0, cx.canvas.width, cx.canvas.height);
-    }
-    
-    $: redraw(color);
-</script>
-
-<canvas bind:this={canvas} />
-<pre>color: {color}
-redraws: {redraws}</pre>
diff --git a/server/server/__init__.py b/server/server/__init__.py
index e044d6c..f52afbb 100644
--- a/server/server/__init__.py
+++ b/server/server/__init__.py
@@ -9,6 +9,7 @@ from .user import user_auth
 from .map_tiles import map_tiles, map_meta
 from .templates import j2env
 from .monitoring import monitoring, ws_manager
+from .api import api
 
 app = FastAPI()
 
@@ -16,6 +17,7 @@ app.mount("/user/", user_auth)
 app.mount("/map/", map_meta)
 app.mount("/tiles/", map_tiles)
 app.mount("/ipmi/", monitoring)
+app.mount("/api/", api)
 
 installer = j2env.get_template("install.lua").render(deploy_path=settings.deploy_path)
 
diff --git a/server/server/api.py b/server/server/api.py
new file mode 100644
index 0000000..33b392f
--- /dev/null
+++ b/server/server/api.py
@@ -0,0 +1,40 @@
+from datetime import datetime
+from typing import Any
+from bson import ObjectId
+
+from fastapi import Body, FastAPI, status
+from pydantic import BaseModel, Field
+import pymongo
+
+from .db import events, PyObjectId, create_event
+
+api = FastAPI()
+
+
+class Event(BaseModel):
+    id: PyObjectId = Field(default_factory=PyObjectId, alias="_id")
+    timestamp: datetime
+    value: Any
+
+    class Config:
+        json_encoders = {ObjectId: str}
+
+
+@api.get("/events", response_model=list[Event])
+async def get_events():
+    return await events.find().sort("timestamp", pymongo.DESCENDING).to_list(None)
+
+
+"""
+@api.get("/events/{id}", response_model=Event)
+async def get_single_event(id: PyObjectId):
+    if (event := await events.find_one({"_id": id})) is not None:
+        return event
+
+    raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
+"""
+
+# TODO auth
+@api.post("/events", response_model=Event, status_code=status.HTTP_201_CREATED)
+async def push_event(value: Any = Body(...)):
+    return await create_event(value)
diff --git a/server/server/db.py b/server/server/db.py
index bef9abe..2cf1257 100644
--- a/server/server/db.py
+++ b/server/server/db.py
@@ -1,3 +1,5 @@
+from datetime import datetime
+
 from bson import ObjectId
 import motor.motor_asyncio as motor
 from .settings import settings
@@ -8,6 +10,16 @@ db = client["controlpanel"]
 events: motor.AsyncIOMotorCollection = db["events"]
 
 
+async def create_event(value: any):
+    event = {
+        "timestamp": datetime.now(),
+        "value": value,
+    }
+    new_event = await events.insert_one(event)
+    created_event = await events.find_one({"_id": new_event.inserted_id})
+    return created_event
+
+
 class PyObjectId(ObjectId):
     @classmethod
     def __get_validators__(cls):
diff --git a/server/server/monitoring.py b/server/server/monitoring.py
index 9c8ef40..899854e 100644
--- a/server/server/monitoring.py
+++ b/server/server/monitoring.py
@@ -1,21 +1,11 @@
 import asyncio
 from typing import Any
 from uuid import UUID
-from datetime import datetime
-from bson import ObjectId
 
-from fastapi import (
-    Body,
-    FastAPI,
-    HTTPException,
-    WebSocket,
-    WebSocketDisconnect,
-    status,
-)
-from fastapi.responses import JSONResponse
-from pydantic import BaseModel, Field, ValidationError
+from fastapi import FastAPI, WebSocket, WebSocketDisconnect
+from pydantic import BaseModel, ValidationError
 
-from .db import PyObjectId, events
+from .db import create_event
 
 monitoring = FastAPI()
 
@@ -75,7 +65,7 @@ class WSManager:
             await socket.close()
             return
 
-        print(f"[WS] Computer {uuid} connected")
+        await create_event({"type": "computer_connect", "computer_id": str(uuid)})
         self.computers[uuid] = socket
 
         if len(self.viewers.get(uuid, [])) > 0:
@@ -96,7 +86,7 @@ class WSManager:
                 break
 
         del self.computers[uuid]
-        print(f"[WS] Computer {uuid} disconnected")
+        await create_event({"type": "computer_disconnect", "computer_id": str(uuid)})
 
     async def on_browser_connect(self, socket: WebSocket, uuid: UUID):
         print(f"[WS] Browser connected for {uuid}")
@@ -135,41 +125,3 @@ async def computer_ws(socket: WebSocket, uuid: UUID):
 async def browser_ws(socket: WebSocket, uuid: UUID):
     await socket.accept()
     await ws_manager.on_browser_connect(socket, uuid)
-
-
-class Event(BaseModel):
-    id: PyObjectId = Field(default_factory=PyObjectId, alias="_id")
-    timestamp: datetime
-    value: Any
-
-    class Config:
-        allow_population_by_field_name = True
-        arbitrary_types_allowed = True
-        json_encoders = {ObjectId: str}
-
-
-@monitoring.get("/events", response_model=list[Event])
-async def get_events():
-    print("get /events")
-    return await events.find().to_list(1000)
-
-
-@monitoring.get("/events/{id}", response_model=Event)
-async def get_single_event(id: PyObjectId):
-    if (event := await events.find_one({"_id": id})) is not None:
-        return event
-
-    raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
-
-
-@monitoring.post(
-    "/push_event", response_model=Event, status_code=status.HTTP_201_CREATED
-)
-async def push_event(value: Any = Body(...)):
-    event = {
-        "timestamp": datetime.now(),
-        "value": value,
-    }
-    new_event = await events.insert_one(event)
-    created_event = await events.find_one({"_id": new_event.inserted_id})
-    return created_event