commit

node_modules/telegraf/lib/scenes/context.js

@@ -0,0 +1,104 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const composer_1 = __importDefault(require("../composer"));
+const debug_1 = __importDefault(require("debug"));
+const debug = (0, debug_1.default)('telegraf:scenes:context');
+const noop = () => Promise.resolve();
+const now = () => Math.floor(Date.now() / 1000);
+class SceneContextScene {
+    constructor(ctx, scenes, options) {
+        this.ctx = ctx;
+        this.scenes = scenes;
+        this.leaving = false;
+        // @ts-expect-error {} might not be assignable to D
+        const fallbackSessionDefault = {};
+        this.options = { defaultSession: fallbackSessionDefault, ...options };
+    }
+    get session() {
+        var _a, _b;
+        const defaultSession = this.options.defaultSession;
+        let session = (_b = (_a = this.ctx.session) === null || _a === void 0 ? void 0 : _a.__scenes) !== null && _b !== void 0 ? _b : defaultSession;
+        if (session.expires !== undefined && session.expires < now()) {
+            session = defaultSession;
+        }
+        if (this.ctx.session === undefined) {
+            this.ctx.session = { __scenes: session };
+        }
+        else {
+            this.ctx.session.__scenes = session;
+        }
+        return session;
+    }
+    get state() {
+        var _a;
+        var _b;
+        return ((_a = (_b = this.session).state) !== null && _a !== void 0 ? _a : (_b.state = {}));
+    }
+    set state(value) {
+        this.session.state = { ...value };
+    }
+    get current() {
+        var _a;
+        const sceneId = (_a = this.session.current) !== null && _a !== void 0 ? _a : this.options.default;
+        return sceneId === undefined || !this.scenes.has(sceneId)
+            ? undefined
+            : this.scenes.get(sceneId);
+    }
+    reset() {
+        if (this.ctx.session !== undefined)
+            this.ctx.session.__scenes = this.options.defaultSession;
+    }
+    async enter(sceneId, initialState = {}, silent = false) {
+        var _a, _b;
+        if (!this.scenes.has(sceneId)) {
+            throw new Error(`Can't find scene: ${sceneId}`);
+        }
+        if (!silent) {
+            await this.leave();
+        }
+        debug('Entering scene', sceneId, initialState, silent);
+        this.session.current = sceneId;
+        this.state = initialState;
+        const ttl = (_b = (_a = this.current) === null || _a === void 0 ? void 0 : _a.ttl) !== null && _b !== void 0 ? _b : this.options.ttl;
+        if (ttl !== undefined) {
+            this.session.expires = now() + ttl;
+        }
+        if (this.current === undefined || silent) {
+            return;
+        }
+        const handler = 'enterMiddleware' in this.current &&
+            typeof this.current.enterMiddleware === 'function'
+            ? this.current.enterMiddleware()
+            : this.current.middleware();
+        return await handler(this.ctx, noop);
+    }
+    reenter() {
+        return this.session.current === undefined
+            ? undefined
+            : this.enter(this.session.current, this.state);
+    }
+    async leave() {
+        if (this.leaving)
+            return;
+        debug('Leaving scene');
+        try {
+            this.leaving = true;
+            if (this.current === undefined) {
+                return;
+            }
+            const handler = 'leaveMiddleware' in this.current &&
+                typeof this.current.leaveMiddleware === 'function'
+                ? this.current.leaveMiddleware()
+                : composer_1.default.passThru();
+            await handler(this.ctx, noop);
+            return this.reset();
+        }
+        finally {
+            this.leaving = false;
+        }
+    }
+}
+exports.default = SceneContextScene;