[int]

lib/plankton/plankton.d.ts

@@ -1,11 +1,11 @@
 /**
  * @author fenris
  */
-type int = number;
+declare type int = number;
 /**
  * @author fenris
  */
-type float = number;
+declare type float = number;
 declare class Buffer {
     constructor(x: string, modifier?: string);
     toString(modifier?: string): string;
@@ -19,7 +19,7 @@ declare namespace lib_plankton.base {
 /**
  * @author fenris
  */
-type type_pseudopointer<type_value> = {
+declare type type_pseudopointer<type_value> = {
     value: type_value;
 };
 /**
@@ -647,6 +647,9 @@ declare namespace lib_plankton.call {
         value: (null | type_value);
         error: (null | any);
     }>;
+    /**
+     */
+    export function sleep(seconds: float): Promise<void>;
     export {};
 }
 declare namespace lib_plankton.file {
@@ -1528,6 +1531,18 @@ declare namespace lib_plankton.translate {
     /**
      * @desc retrieves a string by going through the order and trying to fetch it for the current entry
      * @author fenris
+     * @todo rename to "get"
+     */
+    function get_new(path: string, { "args": args, "preferred_language": preferred_language, "fallback": fallback, }?: {
+        args?: Record<string, string>;
+        preferred_language?: (null | string);
+        fallback?: string;
+    }): string;
+    /**
+     * @desc retrieves a string by going through the order and trying to fetch it for the current entry
+     * @author fenris
+     * @deprecated use "get_new"
+     * @todo remove
      */
     function get(path: string, args?: {
         [id: string]: string;
@@ -1894,6 +1909,51 @@ declare namespace lib_plankton.storage.localstorage {
         }[]>;
     }
 }
+declare namespace lib_plankton.cache {
+    /**
+     */
+    type type_result<type_value> = {
+        retrieved: boolean;
+        value: type_value;
+    };
+    /**
+     */
+    type type_entry<type_value> = {
+        value: type_value;
+        expiry: (null | float);
+    };
+    /**
+     */
+    type type_subject<type_value> = lib_plankton.storage.type_chest<string, type_entry<type_value>, void, any, any>;
+}
+declare namespace lib_plankton.cache {
+    /**
+     */
+    function make<type_value>({ "chest": chest, }?: {
+        chest?: lib_plankton.storage.type_chest<string, type_entry<type_value>, void, any, any>;
+    }): type_subject<type_value>;
+    /**
+     */
+    function init<type_value>(subject: type_subject<type_value>): Promise<void>;
+    /**
+     */
+    function clear<type_value>(subject: type_subject<type_value>): Promise<void>;
+    /**
+     */
+    function invalidate<type_value>(subject: type_subject<type_value>, key: string): Promise<void>;
+    /**
+     */
+    function query<type_value>(subject: type_subject<type_value>, key: string, lifetime: (null | float), retrieve: (() => Promise<type_value>)): Promise<type_result<type_value>>;
+    /**
+     * syntactic sugar: if the information, whether the value was retrieved, is irrelevant
+     */
+    function get<type_value>(subject: type_subject<type_value>, key: string, lifetime: (null | float), retrieve: (() => Promise<type_value>)): Promise<type_value>;
+    /**
+     */
+    function get_complex<type_input, type_value>(cache: type_subject<type_value>, group: string, input: type_input, lifetime: (null | float), retrieve: ((input: type_input) => Promise<type_value>), { "encode_input": encode_input, }?: {
+        encode_input?: ((input: type_input) => string);
+    }): Promise<type_value>;
+}
 declare namespace lib_plankton.map {
     /**
      */
@@ -2105,18 +2165,45 @@ declare namespace lib_plankton.pit {
     /**
      */
     function is_before(pit: type_pit, reference: type_pit): boolean;
+    /**
+     */
+    function is_after(pit: type_pit, reference: type_pit): boolean;
+    /**
+     */
+    function is_equal_or_after(pit: type_pit, reference: type_pit): boolean;
     /**
      */
     function is_between(pit: type_pit, reference_left: type_pit, reference_right: type_pit): boolean;
+    /**
+     */
+    function shift_hour(pit: type_pit, increment: int): type_pit;
     /**
      */
     function shift_day(pit: type_pit, increment: int): type_pit;
     /**
      */
     function shift_week(pit: type_pit, increment: int): type_pit;
+    /**
+     */
+    function shift_year(pit: type_pit, increment: int): type_pit;
+    /**
+     */
+    function trunc_minute(pit: type_pit): type_pit;
+    /**
+     */
+    function trunc_hour(pit: type_pit): type_pit;
+    /**
+     */
+    function trunc_day(pit: type_pit): type_pit;
     /**
      */
     function trunc_week(pit: type_pit): type_pit;
+    /**
+     */
+    function trunc_month(pit: type_pit): type_pit;
+    /**
+     */
+    function trunc_year(pit: type_pit): type_pit;
     /**
      */
     function now(): type_pit;
@@ -2746,7 +2833,7 @@ declare namespace lib_plankton.zoo_input {
         private core;
         /**
          */
-        constructor(options?: {
+        constructor({ "label_timezone_shift": label_timezone_shift, "label_date": label_date, "label_time": label_time, }?: {
             label_timezone_shift?: string;
             label_date?: string;
             label_time?: string;

lib/plankton/plankton.js

@@ -1467,6 +1467,16 @@ var lib_plankton;
             })));
         }
         call.try_catch_wrap_async = try_catch_wrap_async;
+        /**
+         */
+        function sleep(seconds) {
+            return (new Promise((resolve, reject) => {
+                setTimeout(() => {
+                    resolve(undefined);
+                }, Math.floor(seconds * 1000));
+            }));
+        }
+        call.sleep = sleep;
     })(call = lib_plankton.call || (lib_plankton.call = {}));
 })(lib_plankton || (lib_plankton = {}));
 /*
@@ -2222,7 +2232,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
     function verb(n) { return function (v) { return step([n, v]); }; }
     function step(op) {
         if (f) throw new TypeError("Generator is already executing.");
-        while (g && (g = 0, op[0] && (_ = 0)), _) try {
+        while (_) try {
             if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
             if (y = 0, t) op = [op[0] & 2, t.value];
             switch (op[0]) {
@@ -4623,8 +4633,9 @@ var lib_plankton;
         /**
          * @desc retrieves a string by going through the order and trying to fetch it for the current entry
          * @author fenris
+         * @todo rename to "get"
          */
-        function get(path, args = {}, fallback = null) {
+        function get_new(path, { "args": args = {}, "preferred_language": preferred_language = null, "fallback": fallback = null, } = {}) {
             if (fallback == null) {
                 fallback = `{${path}}`;
             }
@@ -4632,11 +4643,16 @@ var lib_plankton;
                 console.info(`${_logprefix} getting translation for string '${path}' with arguments ${JSON.stringify(args)} …`);
             }
             let result = lib_plankton.pod.make_empty();
-            let found = _order.some(identifier => {
+            const order = ((preferred_language === null)
+                ?
+                    _order
+                :
+                    ([preferred_language].concat(_order.filter(x => (x !== preferred_language)))));
+            const found = order.some(identifier => {
                 if (translate._verbosity >= 2) {
                     console.info(`${_logprefix} trying package '${identifier}' …`);
                 }
-                let result_ = fetch(identifier, path, args);
+                const result_ = fetch(identifier, path, args);
                 if (lib_plankton.pod.is_filled(result_)) {
                     result = result_;
                     return true;
@@ -4646,20 +4662,33 @@ var lib_plankton;
                 }
             });
             if (found) {
-                let str = lib_plankton.pod.cull(result);
+                const str = lib_plankton.pod.cull(result);
                 if (translate._verbosity >= 3) {
                     console.info(`${_logprefix} found translation: '${str}'`);
                 }
                 return str;
             }
             else {
-                let str = fallback;
+                const str = fallback;
                 if (translate._verbosity >= 1) {
                     console.warn(`${_logprefix} no package provides a translation for string '${path}'; will use the fallback translation '${str}'`);
                 }
                 return str;
             }
         }
+        translate.get_new = get_new;
+        /**
+         * @desc retrieves a string by going through the order and trying to fetch it for the current entry
+         * @author fenris
+         * @deprecated use "get_new"
+         * @todo remove
+         */
+        function get(path, args = {}, fallback = null) {
+            return get_new(path, {
+                "args": args,
+                "fallback": fallback,
+            });
+        }
         translate.get = get;
         /**
          * @author fenris
@@ -5184,6 +5213,136 @@ var lib_plankton;
     })(storage = lib_plankton.storage || (lib_plankton.storage = {}));
 })(lib_plankton || (lib_plankton = {}));
 /*
+This file is part of »bacterio-plankton:cache«.
+
+Copyright 2016-2024 'Christian Fraß, Christian Neubauer, Martin Springwald GbR'
+<info@greenscale.de>
+
+»bacterio-plankton:cache« is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+»bacterio-plankton:cache« is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with »bacterio-plankton:cache«. If not, see <http://www.gnu.org/licenses/>.
+ */
+/*
+This file is part of »bacterio-plankton:cache«.
+
+Copyright 2016-2024 'Christian Fraß, Christian Neubauer, Martin Springwald GbR'
+<info@greenscale.de>
+
+»bacterio-plankton:cache« is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+»bacterio-plankton:cache« is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with »bacterio-plankton:cache«. If not, see <http://www.gnu.org/licenses/>.
+ */
+var lib_plankton;
+(function (lib_plankton) {
+    var cache;
+    (function (cache_1) {
+        /**
+         */
+        function make({ "chest": chest = lib_plankton.storage.memory.implementation_chest({}), } = {}) {
+            return chest;
+        }
+        cache_1.make = make;
+        /**
+         */
+        function init(subject) {
+            return subject.setup(undefined);
+        }
+        cache_1.init = init;
+        /**
+         */
+        function clear(subject) {
+            return subject.clear();
+        }
+        cache_1.clear = clear;
+        /**
+         */
+        function invalidate(subject, key) {
+            return subject.delete(key);
+        }
+        cache_1.invalidate = invalidate;
+        /**
+         */
+        async function query(subject, key, lifetime, retrieve) {
+            const now = lib_plankton.base.get_current_timestamp();
+            return ((subject.read(key)
+                .then((entry) => Promise.resolve({
+                "found": true,
+                "entry": entry,
+            }))
+                .catch(() => Promise.resolve({
+                "found": false,
+                "entry": null,
+            })))
+                .then((item) => {
+                if ((!item.found)
+                    ||
+                        ((item.entry.expiry !== null)
+                            &&
+                                (item.entry.expiry <= now))) {
+                    lib_plankton.log.info("plankton.cache.unknown_or_expired", {
+                        "key": key,
+                    });
+                    return (retrieve()
+                        .then((value) => (subject.write(key, {
+                        "value": value,
+                        "expiry": ((lifetime === null)
+                            ?
+                                null
+                            :
+                                (now + lifetime))
+                    })
+                        .then(() => Promise.resolve({
+                        "retrieved": true,
+                        "value": value
+                    })))));
+                }
+                else {
+                    lib_plankton.log.info("plankton.cache.known_and_valid", {
+                        "key": key,
+                    });
+                    return Promise.resolve({
+                        "retrieved": false,
+                        "value": item.entry.value
+                    });
+                }
+            }));
+        }
+        cache_1.query = query;
+        /**
+         * syntactic sugar: if the information, whether the value was retrieved, is irrelevant
+         */
+        function get(subject, key, lifetime, retrieve) {
+            return (query(subject, key, lifetime, retrieve)
+                .then(result => Promise.resolve(result.value)));
+        }
+        cache_1.get = get;
+        /**
+         */
+        function get_complex(cache, group, input, lifetime, retrieve, { "encode_input": encode_input = (input => JSON.stringify(input)), } = {}) {
+            return get(cache, (group + "." + encode_input(input)), lifetime, () => retrieve(input));
+        }
+        cache_1.get_complex = get_complex;
+    })(cache = lib_plankton.cache || (lib_plankton.cache = {}));
+})(lib_plankton || (lib_plankton = {}));
+/*
 This file is part of »bacterio-plankton:map«.
 
 Copyright 2016-2024 'Christian Fraß, Christian Neubauer, Martin Springwald GbR'
@@ -5821,10 +5980,17 @@ var lib_plankton;
         function is_after(pit, reference) {
             return (pit > reference);
         }
+        pit_1.is_after = is_after;
+        /**
+         */
+        function is_equal_or_after(pit, reference) {
+            return (pit >= reference);
+        }
+        pit_1.is_equal_or_after = is_equal_or_after;
         /**
          */
         function is_between(pit, reference_left, reference_right) {
-            return (is_after(pit, reference_left)
+            return (is_equal_or_after(pit, reference_left)
                 &&
                     is_before(pit, reference_right));
         }
@@ -5834,6 +6000,7 @@ var lib_plankton;
         function shift_hour(pit, increment) {
             return (pit + (60 * 60 * increment));
         }
+        pit_1.shift_hour = shift_hour;
         /**
          */
         function shift_day(pit, increment) {
@@ -5851,6 +6018,7 @@ var lib_plankton;
         function shift_year(pit, increment) {
             return (pit + (60 * 60 * 24 * 365 * increment));
         }
+        pit_1.shift_year = shift_year;
         /**
          */
         function trunc_minute(pit) {
@@ -5878,6 +6046,7 @@ var lib_plankton;
             };
             return from_datetime(datetime_output);
         }
+        pit_1.trunc_minute = trunc_minute;
         /**
          */
         function trunc_hour(pit) {
@@ -5901,6 +6070,7 @@ var lib_plankton;
             };
             return from_datetime(datetime_output);
         }
+        pit_1.trunc_hour = trunc_hour;
         /**
          */
         function trunc_day(pit) {
@@ -5920,6 +6090,7 @@ var lib_plankton;
             };
             return from_datetime(datetime_output);
         }
+        pit_1.trunc_day = trunc_day;
         /**
          */
         function trunc_week(pit) {
@@ -5951,6 +6122,7 @@ var lib_plankton;
             };
             return from_datetime(datetime_output);
         }
+        pit_1.trunc_month = trunc_month;
         /**
          */
         function trunc_year(pit) {
@@ -5970,6 +6142,7 @@ var lib_plankton;
             };
             return from_datetime(datetime_output);
         }
+        pit_1.trunc_year = trunc_year;
         /**
          */
         function now() {
@@ -7672,27 +7845,32 @@ var lib_plankton;
         class class_input_datetime {
             /**
              */
-            constructor(options = {}) {
+            constructor({ "label_timezone_shift": label_timezone_shift = null, "label_date": label_date = null, "label_time": label_time = null, } = {}) {
-                options = Object.assign({
+                /*
+                options = Object.assign(
+                    {
                         "label_timezone_shift": "",
                         "label_date": "",
                         "label_time": "",
-                }, options);
+                    },
+                    options
+                );
+                 */
                 this.core = new zoo_input.class_input_group([
                     {
                         "name": "timezone_shift",
                         "input": new zoo_input.class_input_number(),
-                        "label": options.label_timezone_shift,
+                        "label": label_timezone_shift,
                     },
                     {
                         "name": "date",
                         "input": new zoo_input.class_input_date(),
-                        "label": options.label_date,
+                        "label": label_date,
                     },
                     {
                         "name": "time",
                         "input": new zoo_input.class_input_soft(new zoo_input.class_input_time()),
-                        "label": options.label_time,
+                        "label": label_time,
                     },
                 ]);
             }

source/logic/logic.ts

@@ -0,0 +1,103 @@
+/*
+Espe | Ein schlichtes Werkzeug zur Mitglieder-Verwaltung | Frontend
+Copyright (C) 2024 Christian Fraß
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public 
+License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later 
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied 
+warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program. If not, see 
+<https://www.gnu.org/licenses/>. 
+ */
+
+
+namespace _espe.logic
+{
+	
+	/**
+	 */
+	let _cache : lib_plankton.cache.type_subject<any>;
+	
+	
+	/**
+	 */
+	export async function init(
+	) : Promise<void>
+	{
+		_cache = lib_plankton.cache.make<int>(
+			{
+				// "chest": lib_plankton.storage.memory.implementation_chest<int>({}),
+			}
+		);
+		await lib_plankton.cache.init(
+			_cache
+		);
+	}
+	
+	
+	/**
+	 */
+	export function group_data(
+	) : Promise<
+		{
+			pool : Map<
+				int,
+				{
+					name : string;
+					label : string;
+				}
+			>;
+			order : Array<int>;
+		}
+	>
+	{
+		return lib_plankton.cache.get<
+			{
+				pool : Map<
+					int,
+					{
+						name : string;
+						label : string;
+					}
+				>;
+				order : Array<int>;
+			}
+		>(
+			_cache,
+			"group_data",
+			120,
+			async () => {
+				const array : Array<
+					{
+						id : int;
+						preview : {
+							name : string;
+							label : string;
+						};
+					}
+				> = await _espe.backend.group_list();
+				const pool : Map<int, {name : string; label : string;}> = new Map<int, {name : string; label : string;}>();
+				const order : Array<int> = new Array<int>();
+				for (const entry of array)
+				{
+					pool.set(
+						entry.id,
+						{
+							"name": entry.preview.name,
+							"label": entry.preview.label,
+						}
+					);
+					order.push(entry.id);
+				}
+				return {
+					"pool": pool,
+					"order": order,
+				};
+			}
+		);
+	}
+	
+}

source/logic/main.ts

@@ -120,6 +120,8 @@ async function main(
 		}
 	);
 	
+	await _espe.logic.init();
+	
 	await lib_plankton.zoo_page.init(
 		document.querySelector("main"),
 		{

source/pages/invitation_create/logic.ts

@@ -22,41 +22,7 @@ lib_plankton.zoo_page.register(
 		
 		const indent = str => (/*"... " + */str);
 		
-		/**
+		const group_data = await _espe.logic.group_data();
-		 * @todo cache
-		 */
-		const groups_as_array : Array<
-			{
-				id : int;
-				preview : {
-					name : string;
-					label : string;
-				};
-			}
-		> = await _espe.backend.group_list();
-		const groups_as_map : Map<
-			int,
-			{
-				name : string;
-				label : string;
-			}
-		> = new Map<
-			int,
-			{
-				name : string;
-				label : string;
-			}
-		>();
-		for (const group_thingy of groups_as_array)
-		{
-			groups_as_map.set(
-				group_thingy.id,
-				{
-					"name": group_thingy.preview.name,
-					"label": group_thingy.preview.label,
-				}
-			);
-		}
 		
 		/**
 		 * @todo unify with form of "invitation_view"
@@ -212,10 +178,10 @@ lib_plankton.zoo_page.register(
 									 */
 									"input": new lib_plankton.zoo_input.class_input_wrapped<Set<string>, Array<int>>(
 										new _espe.class_input_set(
-											groups_as_array.map(
+											group_data.order.map(
-												group_thingy => group_thingy.id.toFixed(0)
+												group_id => group_id.toFixed(0)
 											),
-											group_id_encoded => groups_as_map.get(parseInt(group_id_encoded)).label
+											group_id_encoded => group_data.pool.get(parseInt(group_id_encoded)).label
 										),
 										(value_inner) => {
 											const array : Array<int> = [];

source/pages/invitation_handle/logic.ts

@@ -81,41 +81,7 @@ lib_plankton.zoo_page.register(
 		}
 		else
 		{
-			/**
+			const group_data = await _espe.logic.group_data();
-			 * @todo cache
-			 */
-			const groups_as_array : Array<
-				{
-					id : int;
-					preview : {
-						name : string;
-						label : string;
-					};
-				}
-			> = await _espe.backend.group_list();
-			const groups_as_map : Map<
-				int,
-				{
-					name : string;
-					label : string;
-				}
-			> = new Map<
-				int,
-				{
-					name : string;
-					label : string;
-				}
-			>();
-			for (const group_thingy of groups_as_array)
-			{
-				groups_as_map.set(
-					group_thingy.id,
-					{
-						"name": group_thingy.preview.name,
-						"label": group_thingy.preview.label,
-					}
-				);
-			}
 			
 			const form = new lib_plankton.zoo_form.class_form<
 				{
@@ -196,13 +162,10 @@ lib_plankton.zoo_page.register(
 							 */
 							"input": new lib_plankton.zoo_input.class_input_wrapped<Set<string>, Array<int>>(
 								new _espe.class_input_set(
-									groups_as_array.map(
+									group_data.order.map(
-										group_thingy => group_thingy.id.toFixed(0)
+										group_id => group_id.toFixed(0)
 									),
-									group_id_encoded => groups_as_map.get(parseInt(group_id_encoded)).name,
+									group_id_encoded => group_data.pool.get(parseInt(group_id_encoded)).label
-									{
-										"read_only": (! data.groups_changeable),
-									}
 								),
 								(value_inner) => {
 									const array : Array<int> = [];

source/pages/member_view/logic.ts

@@ -22,41 +22,7 @@ lib_plankton.zoo_page.register(
 		
 		dom_fragment.querySelector(".member_view-title").textContent = lib_plankton.translate.get("page.member_view.title");
 		
-		/**
+		const group_data = await _espe.logic.group_data();
-		 * @todo cache
-		 */
-		const groups_as_array : Array<
-			{
-				id : int;
-				preview : {
-					name : string;
-					label : string;
-				};
-			}
-		> = await _espe.backend.group_list();
-		const groups_as_map : Map<
-			int,
-			{
-				name : string;
-				label : string;
-			}
-		> = new Map<
-			int,
-			{
-				name : string;
-				label : string;
-			}
-		>();
-		for (const group_thingy of groups_as_array)
-		{
-			groups_as_map.set(
-				group_thingy.id,
-				{
-					"name": group_thingy.preview.name,
-					"label": group_thingy.preview.label,
-				}
-			);
-		}
 		
 		const member_data = await _espe.backend.member_get(id);
 		
@@ -130,10 +96,10 @@ lib_plankton.zoo_page.register(
 						 */
 						"input": new lib_plankton.zoo_input.class_input_wrapped<Set<string>, Array<int>>(
 							new _espe.class_input_set(
-								groups_as_array.map(
+								group_data.order.map(
-									group_thingy => group_thingy.id.toFixed(0)
+									group_id => group_id.toFixed(0)
 								),
-								group_id_encoded => groups_as_map.get(parseInt(group_id_encoded)).label
+								group_id_encoded => group_data.pool.get(parseInt(group_id_encoded)).label
 							),
 							(value_inner) => {
 								const array : Array<int> = [];

tools/makefile

@@ -39,6 +39,7 @@ ${dir_temp}/logic-unlinked.js: \
 	${dir_source}/logic/input_set.ts \
 	${dir_source}/resources/backend.ts \
 	${dir_source}/resources/conf.ts \
+	${dir_source}/logic/logic.ts \
 	${dir_source}/pages/index/logic.ts \
 	${dir_source}/pages/login/logic.ts \
 	${dir_source}/pages/logout/logic.ts \

tools/update-plankton

@@ -12,6 +12,7 @@ modules="${modules} base64"
 modules="${modules} string"
 modules="${modules} translate"
 modules="${modules} storage"
+modules="${modules} cache"
 modules="${modules} zoo-input"
 modules="${modules} zoo-form"
 modules="${modules} zoo-search"