Adds ICS

README.md

@@ -0,0 +1,3 @@
+# The PnP Scheduler Discord-Bot
+
+Invite: https://discord.com/oauth2/authorize?client_id=1347546897170173985

package-lock.json

@@ -18,9 +18,11 @@
         "discord.js": "^14.18.0",
         "dotenv": "^16.4.7",
         "esbuild": "^0.25.0",
+        "ics": "^3.8.1",
         "is-plain-object": "^5.0.0",
         "log4js": "^6.9.1",
         "node-cron": "^4.0.7",
+        "node-ical": "^0.20.1",
         "object-path-set": "^1.0.2",
         "svg2img": "^1.0.0-beta.2"
       },
@@ -2048,6 +2050,12 @@
       "dev": true,
       "license": "Python-2.0"
     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
+      "license": "MIT"
+    },
     "node_modules/atob": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
@@ -2060,6 +2068,17 @@
         "node": ">= 4.5.0"
       }
     },
+    "node_modules/axios": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.10.0.tgz",
+      "integrity": "sha512-/1xYAC4MP/HEG+3duIhFr4ZQXR4sQXOIe+o6sdqzeykGLx6Upp/1p8MHqhINOvGeP7xyNHe7tsiJByc4SSVUxw==",
+      "license": "MIT",
+      "dependencies": {
+        "follow-redirects": "^1.15.6",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      }
+    },
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -2193,6 +2212,19 @@
         "node": ">=0.4.0"
       }
     },
+    "node_modules/call-bind-apply-helpers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
+      "integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
     "node_modules/callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -2255,6 +2287,18 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "license": "MIT",
+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -2343,6 +2387,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
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+      "license": "MIT",
+      "engines": {
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+    },
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@@ -2405,6 +2458,20 @@
         "url": "https://dotenvx.com"
       }
     },
+    "node_modules/dunder-proto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+        "es-errors": "^1.3.0",
+        "gopd": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
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       "version": "1.4.4",
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@@ -2414,6 +2481,51 @@
         "once": "^1.4.0"
       }
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
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+    "node_modules/es-errors": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/es-object-atoms": {
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+      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
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+    "node_modules/es-set-tostringtag": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+        "get-intrinsic": "^1.2.6",
+        "has-tostringtag": "^1.0.2",
+        "hasown": "^2.0.2"
+      },
+      "engines": {
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       "version": "0.25.0",
       "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.25.0.tgz",
@@ -2820,6 +2932,22 @@
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       }
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+    "node_modules/form-data": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.3.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "es-set-tostringtag": "^2.1.0",
+        "hasown": "^2.0.2",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/fs-constants": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
@@ -2840,6 +2968,52 @@
         "node": ">=6 <7 || >=8"
       }
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+    "node_modules/function-bind": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
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+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+        "get-proto": "^1.0.1",
+        "gopd": "^1.2.0",
+        "has-symbols": "^1.1.0",
+        "hasown": "^2.0.2",
+        "math-intrinsics": "^1.1.0"
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+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
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+        "es-object-atoms": "^1.0.0"
+      },
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@@ -2892,6 +3066,18 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
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@@ -2915,6 +3101,56 @@
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
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+    "node_modules/has-tostringtag": {
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+      "dependencies": {
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+      },
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+    "node_modules/ics": {
+      "version": "3.8.1",
+      "resolved": "https://registry.npmjs.org/ics/-/ics-3.8.1.tgz",
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+      "license": "ISC",
+      "dependencies": {
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+        "runes2": "^1.1.2",
+        "yup": "^1.2.0"
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+    "node_modules/math-intrinsics": {
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@@ -3261,6 +3506,27 @@
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+      "engines": {
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+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
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     "node_modules/mimic-response": {
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+    "node_modules/moment-timezone": {
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+      "funding": [
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+          "url": "https://github.com/sponsors/ai"
+        }
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@@ -3361,6 +3666,18 @@
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+      "license": "Apache-2.0",
+      "dependencies": {
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+        "moment-timezone": "^0.5.45",
+        "rrule": "2.8.1",
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@@ -3598,6 +3915,18 @@
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@@ -3757,6 +4086,15 @@
       "integrity": "sha512-q1b3N5QkRUWUl7iyylaaj3kOpIT0N2i9MqIEQXP73GVsN9cw3fdx8X63cEmWhJGi2PPCF23Ijp7ktmd39rawIA==",
       "license": "MIT"
     },
+    "node_modules/rrule": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/rrule/-/rrule-2.8.1.tgz",
+      "integrity": "sha512-hM3dHSBMeaJ0Ktp7W38BJZ7O1zOgaFEsn41PDk+yHoEtfLV+PoJt9E9xAlZiWgf/iqEqionN0ebHFZIDAp+iGw==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/run-parallel": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
@@ -3781,6 +4119,12 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/runes2": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/runes2/-/runes2-1.1.4.tgz",
+      "integrity": "sha512-LNPnEDPOOU4ehF71m5JoQyzT2yxwD6ZreFJ7MxZUAoMKNMY1XrAo60H1CUoX5ncSm0rIuKlqn9JZNRrRkNou2g==",
+      "license": "MIT"
+    },
     "node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -3998,6 +4342,12 @@
       "integrity": "sha512-IjZc9KIotudix8bMaBW6QvMuq64BrJWFs1+4V0lXwWGQZwH+LnX87doAYhem4caOEusRP9/g6jVDQmZ8XOk1nw==",
       "license": "MIT"
     },
+    "node_modules/tiny-case": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/tiny-case/-/tiny-case-1.0.3.tgz",
+      "integrity": "sha512-Eet/eeMhkO6TX8mnUteS9zgPbUMQa4I6Kkp5ORiBD5476/m+PIRiumP5tmh5ioJpH7k51Kehawy2UDfsnxxY8Q==",
+      "license": "MIT"
+    },
     "node_modules/tinycolor2": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/tinycolor2/-/tinycolor2-1.6.0.tgz",
@@ -4034,6 +4384,12 @@
         "url": "https://github.com/sponsors/Borewit"
       }
     },
+    "node_modules/toposort": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/toposort/-/toposort-2.0.2.tgz",
+      "integrity": "sha512-0a5EOkAUp8D4moMi2W8ZF8jcga7BgZd91O/yabJCFY8az+XSzeGyTKs0Aoo897iV1Nj6guFq8orWDS96z91oGg==",
+      "license": "MIT"
+    },
     "node_modules/ts-api-utils": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.1.0.tgz",
@@ -4084,6 +4440,18 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/type-fest": {
+      "version": "2.19.0",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-2.19.0.tgz",
+      "integrity": "sha512-RAH822pAdBgcNMAfWnCBU3CFZcfZ/i1eZjwFU/dsLKumyuuP3niueg2UAukXYF0E2AAoc82ZSSf9J0WQBinzHA==",
+      "license": "(MIT OR CC0-1.0)",
+      "engines": {
+        "node": ">=12.20"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/typescript": {
       "version": "5.8.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
@@ -4171,6 +4539,19 @@
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
       "license": "MIT"
     },
+    "node_modules/uuid": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-10.0.0.tgz",
+      "integrity": "sha512-8XkAphELsDnEGrDxUOHB3RGvXz6TeuYSGEZBOjtTtPm2lwhGBjLgOzLHB63IUWfBpNucQjND6d3AOudO+H3RWQ==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -4285,6 +4666,18 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
+    },
+    "node_modules/yup": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/yup/-/yup-1.6.1.tgz",
+      "integrity": "sha512-JED8pB50qbA4FOkDol0bYF/p60qSEDQqBD0/qeIrUCG1KbPBIQ776fCUNb9ldbPcSTxA69g/47XTo4TqWiuXOA==",
+      "license": "MIT",
+      "dependencies": {
+        "property-expr": "^2.0.5",
+        "tiny-case": "^1.0.3",
+        "toposort": "^2.0.2",
+        "type-fest": "^2.19.0"
+      }
     }
   }
 }

package.json

@@ -23,9 +23,11 @@
     "discord.js": "^14.18.0",
     "dotenv": "^16.4.7",
     "esbuild": "^0.25.0",
+    "ics": "^3.8.1",
     "is-plain-object": "^5.0.0",
     "log4js": "^6.9.1",
     "node-cron": "^4.0.7",
+    "node-ical": "^0.20.1",
     "object-path-set": "^1.0.2",
     "svg2img": "^1.0.0-beta.2"
   },

source/Container/Container.ts

@@ -5,14 +5,12 @@ export class Container {
 
   private instances: Map<string, object> = new Map();
 
-    public set<T extends Class>(instance: T, name: string|null = null): void
+  public set<T extends Class>(instance: T, name: string | null = null): void {
-    {
     const settingName = name ?? instance.constructor.name;
     this.instances.set(settingName.toLowerCase(), instance);
   }
 
-    public get<T extends Class>(name: string): T
+  public get<T extends Class>(name: string): T {
-    {
     return <T>this.instances.get(name.toLowerCase());
   }
 
@@ -23,6 +21,7 @@ export class Container {
 
     return Container.instance;
   }
+
   public static get<T>(name: string): T {
     return Container.instance.get<T>(name);
   }

source/Container/Services.ts

@@ -11,6 +11,9 @@ import {IconCache} from "../Icons/IconCache";
 import {EventHandler} from "../Events/EventHandler";
 import {InteractionRouter} from "../Discord/InteractionRouter";
 import Commands from "../Discord/Commands/Commands";
+import {CommandDeployer} from "../Discord/CommandDeployer";
+import {REST} from "discord.js";
+import {log} from "node:util";
 
 export enum ServiceHint {
   App,
@@ -29,9 +32,14 @@ export class Services {
     const database = new DatabaseConnection(env.database);
     container.set<DatabaseConnection>(database);
 
+    const restClient = new REST();
+    const commands = new Commands();
     const discordClient = new DiscordClient(
       env.discord.clientId,
-          new InteractionRouter(new Commands(), logger)
+      new InteractionRouter(commands, logger),
+      new CommandDeployer(env.discord.clientId, restClient, commands, logger),
+      logger,
+      restClient
     );
     container.set<DiscordClient>(discordClient);
 

source/Database/DatabaseConnection.ts

@@ -28,6 +28,7 @@ export class DatabaseConnection {
     const preparedQuery = this.database.prepare<BindParameters, Result>(query);
     return preparedQuery.get(args);
   }
+
   public fetchAll<BindParameters extends unknown[] | {} = unknown[], Result = unknown>(query: string, ...args: unknown[]): Result[] {
     const preparedQuery = this.database.prepare<BindParameters, Result>(query);
     return preparedQuery.all(args);

source/Database/DatabaseUpdater.ts

@@ -4,7 +4,8 @@ import {Container} from "../Container/Container";
 import {Logger} from "log4js";
 
 export class DatabaseUpdater {
-    constructor(private readonly database: DatabaseConnection) {}
+  constructor(private readonly database: DatabaseConnection) {
+  }
 
   public ensureAvaliablity(definitions: Iterable<DatabaseDefinition>) {
     for (const definition of definitions) {
@@ -75,7 +76,10 @@ export class DatabaseUpdater {
       return values.join(' ');
     }).join(', ');
 
-        const sql = `CREATE TABLE IF NOT EXISTS ${definition.name} (${columnsSQL})`;
+    const sql = `CREATE TABLE IF NOT EXISTS ${definition.name}
+                 (
+                     ${columnsSQL}
+                 )`;
     this.database.execute(sql);
   }
 }

source/Discord/CommandDeployer.ts

@@ -1,36 +1,28 @@
 import {DiscordClient} from "./DiscordClient";
 import {Logger} from "log4js";
-import {Routes, Snowflake} from "discord.js";
+import {REST, Routes, Snowflake} from "discord.js";
+import Commands from "./Commands/Commands";
 
 export class CommandDeployer {
   constructor(
-        private readonly client: DiscordClient,
+    private readonly applicationId: string,
+    private readonly restClient: REST,
+    private readonly commands: Commands,
     private readonly logger: Logger
   ) {
   }
 
-    public async deployAvailableServers() {
+  public async deployServer(serverId: Snowflake) {
-        const commandInfos: object[] = [];
+    const commandInfos = this.commands.getJsonDefinitions();
-        this.client.Commands.allCommands.forEach((command) => {
-            commandInfos.push(command.definition().toJSON())
-        })
 
-        const guilds = await this.client.RESTClient.get(Routes.userGuilds());
+    this.logger.debug(`Started refreshing ${commandInfos.length} application (/) commands for ${serverId}.`);
-        const deployments = guilds.map(guild => {
-            return this.deployServer(commandInfos, guild.id)
-        })
-        
-        await Promise.all(deployments);
-    }
-    
-    private async deployServer(commandInfos: object[], serverId: Snowflake) {
-        this.logger.log(`Started refreshing ${commandInfos.length} application (/) commands for ${serverId}.`);
 
     // The put method is used to fully refresh all commands in the guild with the current set
-        await this.client.RESTClient.put(
+    await this.restClient.put(
-          Routes.applicationGuildCommands(this.client.ApplicationId, serverId),
+      Routes.applicationGuildCommands(this.applicationId, serverId),
       {body: commandInfos},
     );
-        this.logger.log(`Successfully reloaded ${commandInfos.length} application (/) commands for ${serverId}.`);
+
+    this.logger.debug(`Successfully reloaded ${commandInfos.length} application (/) commands for ${serverId}.`);
   }
 }

source/Discord/Commands/Commands.ts

@@ -2,6 +2,8 @@ import {HelloWorldCommand} from "./HelloWorldCommand";
 import {Command, CommandUnion} from "./Command";
 import {GroupCommand} from "./Groups";
 import {PlaydatesCommand} from "./Playdates";
+import {RESTPostAPIChatInputApplicationCommandsJSONBody} from "discord.js";
+import {Nullable} from "../../types/Nullable";
 
 const commands: Set<Command> = new Set<Command>([
   new HelloWorldCommand(),
@@ -11,6 +13,7 @@ const commands: Set<Command> = new Set<Command>([
 
 export default class Commands {
   private mappedCommands: Map<string, Command> = new Map<string, Command>();
+  private definitions: Nullable<RESTPostAPIChatInputApplicationCommandsJSONBody[]>;
 
   constructor() {
     this.mappedCommands = this.getMap();
@@ -28,8 +31,19 @@ export default class Commands {
     return commands;
   }
 
-    private getMap(): Map<string, Command>
+  public getJsonDefinitions(): RESTPostAPIChatInputApplicationCommandsJSONBody[] {
-    {
+    if (this.definitions) {
+      return this.definitions;
+    }
+
+    this.definitions = [];
+    commands.forEach((command) => {
+      this.definitions?.push(command.definition().toJSON())
+    })
+    return this.definitions;
+  }
+
+  private getMap(): Map<string, Command> {
     const map = new Map<string, Command>();
     for (const command of commands) {
       const definition = command.definition()

source/Discord/Commands/HelloWorldCommand.ts

@@ -10,12 +10,12 @@ export class HelloWorldCommand implements Command {
     'Hello :) How are you?',
   ]
 
-    definition(): SlashCommandBuilder
+  definition(): SlashCommandBuilder {
-    {
     return new SlashCommandBuilder()
       .setName("hello")
       .setDescription("Displays a random response. (commonly used to test if the bot is online)")
   }
+
   async execute(interaction: CommandInteraction): Promise<void> {
     const random = Math.floor(Math.random() * HelloWorldCommand.RESPONSES.length);
 

source/Discord/Commands/Playdates.ts

@@ -2,7 +2,7 @@ import {
   SlashCommandBuilder,
   CommandInteraction,
   AutocompleteInteraction,
-    EmbedBuilder, MessageFlags, ChatInputCommandInteraction, time
+  EmbedBuilder, MessageFlags, ChatInputCommandInteraction, time, AttachmentBuilder, ActivityFlagsBitField, Options
 } from "discord.js";
 import {AutocompleteCommand, ChatInteractionCommand, Command} from "./Command";
 import {Container} from "../../Container/Container";
@@ -11,12 +11,10 @@ import {UserError} from "../UserError";
 import {PlaydateModel} from "../../Models/PlaydateModel";
 import {PlaydateRepository} from "../../Repositories/PlaydateRepository";
 import {GroupModel} from "../../Models/GroupModel";
+import * as ics from 'ics';
+import ical from 'node-ical';
 
 export class PlaydatesCommand implements Command, AutocompleteCommand, ChatInteractionCommand {
-    static REGEX = [
-        
-    ]
-    
   definition(): SlashCommandBuilder {
     // @ts-expect-error Command builder is improperly marked as incomplete.
     return new SlashCommandBuilder()
@@ -50,6 +48,30 @@ export class PlaydatesCommand implements Command, AutocompleteCommand, ChatInter
           .setRequired(true)
           .setAutocomplete(true)
         )
+      )
+      .addSubcommand(subcommand => subcommand
+        .setName('import')
+        .setDescription("Imports playdates from iCal files")
+        .addIntegerOption(GroupSelection.createOptionSetup())
+        .addAttachmentOption(attachment => attachment
+          .setName("file")
+          .setDescription("The iCal File to import")
+          .setRequired(true)
+        )
+      )
+      .addSubcommand((subcommand) => subcommand
+        .setName("export")
+        .setDescription("Exports a playdate as iCal file.")
+        .addIntegerOption(GroupSelection.createOptionSetup())
+        .addIntegerOption((option) => option
+          .setName("playdate")
+          .setDescription("Selects a playdate to export")
+          .setAutocomplete(true)
+        )
+        .addBooleanOption(option => option
+          .setName("future-dates")
+          .setDescription("Exports the next playdates as a ical file")
+        )
       );
   }
 
@@ -66,6 +88,12 @@ export class PlaydatesCommand implements Command, AutocompleteCommand, ChatInter
       case "list":
         await this.list(interaction, group);
         break;
+      case "import":
+        await this.import(interaction, group);
+        break;
+      case "export":
+        await this.export(interaction, group);
+        break;
       default:
         throw new UserError("This subcommand is not yet implemented.");
     }
@@ -139,7 +167,7 @@ export class PlaydatesCommand implements Command, AutocompleteCommand, ChatInter
       playdates.map(playdate => {
         return {
           name: `${playdate.from_time.toLocaleString()} - ${playdate.to_time.toLocaleString()}`,
-                    value: playdate.id
+          value: <number>playdate.id
         }
       })
     )
@@ -151,8 +179,7 @@ export class PlaydatesCommand implements Command, AutocompleteCommand, ChatInter
     const embed = new EmbedBuilder()
       .setTitle("The next playdates:")
       .setFields(
-                playdates.map((playdate) =>
+        playdates.map((playdate) => {
-                {
           return {
             name: `${time(playdate.from_time, 'F')} - ${time(playdate.to_time, 'F')}`,
             value: `${time(playdate.from_time, 'R')}`
@@ -202,4 +229,107 @@ export class PlaydatesCommand implements Command, AutocompleteCommand, ChatInter
       flags: MessageFlags.Ephemeral,
     })
   }
+  
+  private async import(interaction: ChatInputCommandInteraction, group: GroupModel): Promise<void> {
+    const file = interaction.options.getAttachment('file', true);
+    const mimeType = file.contentType?.split(';')[0];
+    if (mimeType !== "text/calendar") {
+      throw new UserError(`Invalid ical file. Got: ${mimeType}`, "Providing a valid iCal file");
+    }
+    
+    await interaction.deferReply({
+      flags: MessageFlags.Ephemeral
+    });
+    
+    const playdateRepo = Container.get<PlaydateRepository>(PlaydateRepository.name);
+    
+    const icalFile = await ical.async.fromURL(file.url);
+    const playdates: PlaydateModel[] = [];
+    for (const event of Object.values(icalFile)) {
+      if (event.type !== 'VEVENT') {
+        continue;
+      }
+      
+      const playdate: Partial<PlaydateModel> = {
+        group: group,
+        from_time: event.start,
+        to_time: event.end
+      }
+      
+      const id = playdateRepo.create(playdate);
+      playdates.push(<PlaydateModel>{
+        id,
+        ...playdate
+      });
+    }
+    
+    const embed = new EmbedBuilder()
+      .setTitle("Imported play-dates.")
+      .setDescription(`:white_check_mark: Your ${playdates.length} playdates has been created! You and your group get notified, when its time.`)
+      .setFields({
+        name: "Created playdates",
+        value: playdates.map((playdate) => `${time(playdate.from_time, 'F')} - ${time(playdate.to_time, 'F')}`).join('\n')
+      })
+      .setFooter({
+        text: `Group: ${group.name}`
+      })
+    
+    interaction.followUp({
+      embeds: [embed],
+      flags: MessageFlags.Ephemeral
+    })
+  }
+  
+  private async export(interaction: ChatInputCommandInteraction, group: GroupModel): Promise<void> {
+    const playdates = this.getExportTargets(interaction, group);
+    
+    const result = ics.createEvents(
+      playdates.map((playdate) => {
+        return {
+          start: ics.convertTimestampToArray(playdate.from_time.getTime(), ''),
+          startInputType: 'utc',
+          startOutputType: 'utc',
+          end: ics.convertTimestampToArray(playdate.to_time.getTime(), ''),
+          endInputType: 'utc',
+          endOutputType: 'utc',
+          title: `PnP with ${group.name}`,
+          status: "CONFIRMED",
+          busyStatus: "FREE",
+          categories: ['PnP']
+        }
+      })
+    );
+    if (!result.value) {
+      throw new Error("Failed creating ics file...")
+    }
+    const attachment = new AttachmentBuilder(Buffer.from(result.value), {
+      name: "ICSExport.ics",
+      description: "Your export :)"
+    });
+    interaction.reply({
+      files: [attachment],
+      flags: MessageFlags.Ephemeral
+    })
+  }
+  
+  private getExportTargets(interaction: ChatInputCommandInteraction, group: GroupModel): PlaydateModel[] {
+
+    const repo = Container.get<PlaydateRepository>(PlaydateRepository.name);
+    const nextPlaydates = interaction.options.getBoolean("future-dates") ?? false;
+    if (nextPlaydates) {
+      return repo.findPlaydatesInRange(new Date());
+    }
+    
+    const playdateId = interaction.options.getInteger('playdate');
+    if (!playdateId) {
+      throw new UserError("Nothing to export", "Please specify what you want to export.");
+    }
+    
+    const playdate = repo.getById(playdateId);
+    if (!playdate) {
+      throw new UserError("Specified playdate id is invalid");
+    }
+    
+    return [playdate];
+  }
 }

source/Discord/DiscordClient.ts

@@ -8,6 +8,7 @@ import Commands from "./Commands/Commands";
 import {Container} from "../Container/Container";
 import {Logger} from "log4js";
 import {InteractionRouter} from "./InteractionRouter";
+import {CommandDeployer} from "./CommandDeployer";
 
 export class DiscordClient {
   private readonly client: Client;
@@ -31,6 +32,8 @@ export class DiscordClient {
   constructor(
     private readonly applicationId: string,
     private readonly router: InteractionRouter,
+    private readonly deployer: CommandDeployer,
+    private readonly logger: Logger,
     private readonly restClient: REST = new REST()
   ) {
     this.client = new Client({
@@ -44,14 +47,21 @@ export class DiscordClient {
         return;
       }
 
-            Container.get<Logger>("logger").info(`Ready! Logged in as ${this.client.user.tag}`);
+      this.logger.info(`Ready! Logged in as ${this.client.user.tag}`);
       this.client.user.setActivity('your PnP playdates', {
         type: ActivityType.Watching,
       });
     })
 
-        this.client.on(Events.GuildAvailable, () => {
+    this.client.on(Events.GuildCreate, (guild) => {
-            Container.get<Logger>("logger").info("Joined Guild?")
+      this.logger.info(`Joined ${guild.name}`);
+      this.deployer.deployServer(guild.id);
+    })
+    this.client.on(Events.GuildDelete, (guild) => {
+      this.logger.info(`Left ${guild.name}`);
+    })
+    this.client.on(Events.GuildAvailable, (guild) => {
+      this.deployer.deployServer(guild.id);
     })
 
     this.client.on(Events.InteractionCreate, this.router.route.bind(this.router));

source/Groups/GroupConfigurationHandler.ts

@@ -23,7 +23,8 @@ export class GroupConfigurationHandler {
   constructor(
     private readonly repository: GroupConfigurationRepository,
     private readonly group: GroupModel
-    ) {    }
+  ) {
+  }
 
 
   public saveConfiguration(path: string, value: string): void {

source/Groups/GroupConfigurationRenderer.ts

@@ -83,7 +83,8 @@ export class GroupConfigurationRenderer {
   constructor(
     private readonly configurationHandler: GroupConfigurationHandler,
     private readonly transformers: GroupConfigurationTransformers,
-    ) {}
+  ) {
+  }
 
   public async setup(interaction: ChatInputCommandInteraction) {
     let response = await interaction.reply(this.getReplyOptions());

source/Icons/IconDeployer.ts

@@ -8,7 +8,8 @@ export class IconDeployer {
 
   constructor(
     private readonly iconCache: IconCache
-  ) {}
+  ) {
+  }
 
   public async ensureExistance() {
     const directory = await fs.promises.opendir(IconDeployer.ICON_PATH);

source/Models/Model.ts

@@ -1,3 +1,3 @@
 export interface Model {
-    id: number;
+  id: number | bigint;
 }

source/Repositories/PlaydateRepository.ts

@@ -34,7 +34,8 @@ export class PlaydateRepository extends Repository<PlaydateModel, DBPlaydate> {
 
     return finds.map((playdate) => this.convertToModelType(playdate, group));
   }
-    findPlaydatesInRange(fromDate: Date|number, toDate: Date|number, group: GroupModel | undefined = undefined) {
+
+  findPlaydatesInRange(fromDate: Date | number, toDate: Date | number | undefined = undefined, group: GroupModel | undefined = undefined) {
     if (fromDate instanceof Date) {
       fromDate = fromDate.getTime();
     }
@@ -42,12 +43,17 @@ export class PlaydateRepository extends Repository<PlaydateModel, DBPlaydate> {
       toDate = toDate.getTime();
     }
 
-        let sql = `SELECT * FROM ${this.schema.name} WHERE time_from > ? AND time_from < ?`;
+    let sql = `SELECT * FROM ${this.schema.name} WHERE time_from > ?`;
-        const params = [fromDate, toDate];
+    const params = [fromDate];
+
+    if (toDate) {
+      sql = `${sql} AND time_from < ?`
+      params.push(toDate);
+    }
     
     if (group) {
       sql = `${sql} AND groupid = ?`
-            params.push(group.id)
+      params.push(<number>group.id)
     }
 
     const finds = this.database.fetchAll<number, DBPlaydate>(

source/Repositories/Repository.ts

@@ -11,7 +11,8 @@ export class Repository<ModelType extends Model, IntermediateModelType = unknown
   constructor(
     protected readonly database: DatabaseConnection,
     public readonly schema: DatabaseDefinition,
-    ) {}
+  ) {
+  }
 
   public create(instance: Partial<ModelType>): number | bigint {
     const columnNames = this.schema.columns.filter((column) => {
@@ -77,6 +78,7 @@ export class Repository<ModelType extends Model, IntermediateModelType = unknown
   protected convertToModelType(intermediateModel: IntermediateModelType | undefined): ModelType {
     return intermediateModel as unknown as ModelType;
   }
+
   protected convertToCreateObject(instance: Partial<ModelType>): object {
     return instance;
   }

source/deploy.ts

@@ -21,14 +21,6 @@ const logger = container.get<Logger>("logger");
 const client = container.get<DiscordClient>(DiscordClient.name);
 client.connectRESTClient(environment.discord.token)
 
-logger.log("Deploying Commands...")
-
-const deployer = new CommandDeployer(client,  logger);
-(async () => {
-    await deployer.deployAvailableServers()
-})()
-
-
 logger.log("Ensuring Database...");
 const updater = new DatabaseUpdater(container.get<DatabaseConnection>(DatabaseConnection.name));
 updater.ensureAvaliablity(Definitions);