From c3738ffbc07f8009f331b107044d9da422ddfc25 Mon Sep 17 00:00:00 2001
From: Fenris Wolf <fenris@folksprak.org>
Date: Mon, 30 Sep 2024 12:01:40 +0200
Subject: [PATCH] [add] api-action:calendar_event_get [add]
 api-action:calendar_event_change

---
 source/api/actions/calendar_event_change.ts |  99 +++++++++++++++++
 source/api/actions/calendar_event_get.ts    |  88 ++++++++++++++++
 source/api/actions/events.ts                |  23 ++--
 source/api/functions.ts                     |   2 +
 source/repositories/resource.ts             |  26 +++++
 source/services/calendar.ts                 | 111 +++++++++++++++++---
 source/services/resource.ts                 |  71 +++++++++++++
 tools/makefile                              |   2 +
 8 files changed, 400 insertions(+), 22 deletions(-)
 create mode 100644 source/api/actions/calendar_event_change.ts
 create mode 100644 source/api/actions/calendar_event_get.ts

diff --git a/source/api/actions/calendar_event_change.ts b/source/api/actions/calendar_event_change.ts
new file mode 100644
index 0000000..4529021
--- /dev/null
+++ b/source/api/actions/calendar_event_change.ts
@@ -0,0 +1,99 @@
+
+namespace _zeitbild.api
+{
+	
+	/**
+	 */
+	export function register_calendar_event_change(
+		rest_subject : lib_plankton.rest.type_rest
+	) : void
+	{
+		register<
+			_zeitbild.type_event_object, // TODO aufdröseln
+			(
+				null
+				|
+				string
+			)
+		>(
+			rest_subject,
+			lib_plankton.http.enum_method.put,
+			"/calendar/:calendar_id/event/:event_id",
+			{
+				"description": "ändert einen Termin",
+				"input_schema": () => ({
+					"type": "object",
+					"properties": {
+						"name": {
+							"nullable": false,
+							"type": "string"
+						},
+						"begin": _zeitbild.api.datetime_type(
+							{
+								"nullable": false,
+							}
+						),
+						"end": _zeitbild.api.datetime_type(
+							{
+								"nullable": true,
+							}
+						),
+						"location": {
+							"type": "string",
+							"nullable": true,
+						},
+						"description": {
+							"type": "string",
+							"nullable": true,
+						},
+					},
+					"required": [
+						"name",
+						"begin",
+						"end",
+						"location",
+						"description",
+					],
+					"additionalProperties": false
+				}),
+				"output_schema": () => ({
+					"nullable": true,
+					"type": "null"
+				}),
+				"restriction": restriction_logged_in,
+				"execution": async (stuff) => {
+					const session : {key : string; value : lib_plankton.session.type_session;} = await session_from_stuff(stuff);
+					const user_id : _zeitbild.type_user_id = await _zeitbild.service.user.identify(session.value.name);
+					
+					if (stuff.input === null) {
+						return Promise.reject(new Error("impossible"));
+					}
+					else {
+						return (
+							_zeitbild.service.calendar.event_change(
+								parseInt(stuff.path_parameters["calendar_id"]),
+								parseInt(stuff.path_parameters["event_id"]),
+								stuff.input,
+								user_id
+							)
+							.then(
+								() => Promise.resolve({
+									"status_code": 200,
+									"data": null,
+								})
+							)
+							// TODO distinguish
+							.catch(
+								(reason) => Promise.resolve({
+									"status_code": 403,
+									"data": String(reason),
+								})
+							)
+						);
+					}
+				}
+			}
+		);
+	}
+	
+}
diff --git a/source/api/actions/calendar_event_get.ts b/source/api/actions/calendar_event_get.ts
new file mode 100644
index 0000000..0cfbe94
--- /dev/null
+++ b/source/api/actions/calendar_event_get.ts
@@ -0,0 +1,88 @@
+
+namespace _zeitbild.api
+{
+	
+	/**
+	 */
+	export function register_calendar_event_get(
+		rest_subject : lib_plankton.rest.type_rest
+	) : void
+	{
+		register<
+			null,
+			(
+				_zeitbild.type_event_object
+				|
+				string
+			)
+		>(
+			rest_subject,
+			lib_plankton.http.enum_method.get,
+			"/calendar/:calendar_id/event/:event_id",
+			{
+				"description": "gibt die Daten eines Termins aus",
+				"output_schema": () => ({
+					"type": "object",
+					"properties": {
+						"name": {
+							"nullable": false,
+							"type": "string"
+						},
+						"begin": _zeitbild.api.datetime_type(
+							{
+								"nullable": false,
+							}
+						),
+						"end": _zeitbild.api.datetime_type(
+							{
+								"nullable": true,
+							}
+						),
+						"location": {
+							"type": "string",
+							"nullable": true,
+						},
+						"description": {
+							"type": "string",
+							"nullable": true,
+						},
+					},
+					"required": [
+						"name",
+						"begin",
+						"end",
+						"location",
+						"description",
+					],
+					"additionalProperties": false
+				}),
+				"restriction": restriction_logged_in,
+				"execution": async (stuff) => {
+					const session : {key : string; value : lib_plankton.session.type_session;} = await session_from_stuff(stuff);
+					const user_id : _zeitbild.type_user_id = await _zeitbild.service.user.identify(session.value.name);
+					
+					return (
+						_zeitbild.service.calendar.event_get(
+							parseInt(stuff.path_parameters["calendar_id"]),
+							parseInt(stuff.path_parameters["event_id"]),
+							user_id
+						)
+						.then(
+							(event_object) => Promise.resolve({
+								"status_code": 200,
+								"data": event_object,
+							})
+						)
+						.catch(
+							(reason) => Promise.resolve({
+								"status_code": 403,
+								"data": String(reason),
+							})
+						)
+					);
+				}
+			}
+		);
+	}
+	
+}
diff --git a/source/api/actions/events.ts b/source/api/actions/events.ts
index e85f2c8..9e32c7b 100644
--- a/source/api/actions/events.ts
+++ b/source/api/actions/events.ts
@@ -23,7 +23,8 @@ namespace _zeitbild.api
 					{
 						calendar_id : int;
 						calendar_name : string;
-						event : _zeitbild.type_event_object;
+						event_id : (null | int);
+						event_object : _zeitbild.type_event_object;
 					}
 				>
 				|
@@ -55,15 +56,24 @@ namespace _zeitbild.api
 				"output_schema": () => ({
 					"type": "array",
 					"items": {
-						"type": "object",
 						"nullable": false,
+						"type": "object",
 						"additionalProperties": false,
 						"properties": {
 							"calendar_id": {
-								"type": "number",
 								"nullable": false,
+								"type": "number",
 							},
-							"event": {
+							"calendar_name": {
+								"nullable": false,
+								"type": "string",
+							},
+							"event_id": {
+								"nullable": true,
+								"type": "number",
+							},
+							"event_object": {
+								"nullable": false,
 								"type": "object",
 								"additionalProperties": false,
 								"properties": {
@@ -100,9 +110,10 @@ namespace _zeitbild.api
 							}
 						},
 						"required": [
-							"calendar_ids",
+							"calendar_id",
+							"event_id",
 							"calendar_name",
-							"event",
+							"event_object",
 						],
 					}
 				}),
diff --git a/source/api/functions.ts b/source/api/functions.ts
index ffb4220..93e16a7 100644
--- a/source/api/functions.ts
+++ b/source/api/functions.ts
@@ -37,7 +37,9 @@ namespace _zeitbild.api
 			_zeitbild.api.register_calendar_add(rest_subject);
 			// event
 			{
+				_zeitbild.api.register_calendar_event_get(rest_subject);
 				_zeitbild.api.register_calendar_event_add(rest_subject);
+				_zeitbild.api.register_calendar_event_change(rest_subject);
 				_zeitbild.api.register_calendar_event_remove(rest_subject);
 			}
 		}
diff --git a/source/repositories/resource.ts b/source/repositories/resource.ts
index 8b4a45b..ad68e7f 100644
--- a/source/repositories/resource.ts
+++ b/source/repositories/resource.ts
@@ -558,6 +558,32 @@ namespace _zeitbild.repository.resource
 	}
 	
 	
+	/**
+	 */
+	export async function local_resource_event_update(
+		resource_id : _zeitbild.type_resource_id,
+		event_id : _zeitbild.type_local_resource_event_id,
+		event_object : _zeitbild.type_event_object
+	) : Promise<void>
+	{
+		const dataset_core : Record<string, any> = await get_resource_core_store().read(resource_id);
+		if (! (dataset_core.kind === "local")) {
+			throw (new Error("not a local resource"));
+		}
+		else {
+			return get_local_resource_event_store().update(
+				event_id,
+				encode_local_resource_event(
+					{
+						"local_resource_id": dataset_core["sub_id"],
+						"event": event_object,
+					}
+				)
+			);
+		}
+	}
+	
+	
 	/**
 	 */
 	export async function local_resource_event_delete(
diff --git a/source/services/calendar.ts b/source/services/calendar.ts
index a8c49c2..f1c25eb 100644
--- a/source/services/calendar.ts
+++ b/source/services/calendar.ts
@@ -108,6 +108,32 @@ namespace _zeitbild.service.calendar
 	}
 	
 	
+	/**
+	 */
+	export async function event_get(
+		calendar_id : _zeitbild.type_calendar_id,
+		local_resource_event_id : _zeitbild.type_local_resource_event_id,
+		user_id : _zeitbild.type_user_id
+	) : Promise<_zeitbild.type_event_object>
+	{
+		const calendar_object : _zeitbild.type_calendar_object = await _zeitbild.repository.calendar.read(
+			calendar_id
+		);
+		return wrap_check_access_level<_zeitbild.type_event_object>(
+			calendar_object,
+			user_id,
+			_zeitbild.enum_access_level.view,
+			async () => {
+				const event_object : _zeitbild.type_event_object = await _zeitbild.service.resource.event_get(
+					calendar_object.resource_id,
+					local_resource_event_id
+				);
+				return Promise.resolve<_zeitbild.type_event_object>(event_object);
+			}
+		);
+	}
+	
+	
 	/**
 	 */
 	export async function event_add(
@@ -135,7 +161,34 @@ namespace _zeitbild.service.calendar
 	
 	
 	/**
-	 * @todo check access level
+	 */
+	export async function event_change(
+		calendar_id : _zeitbild.type_calendar_id,
+		local_resource_event_id : _zeitbild.type_local_resource_event_id,
+		event_object : _zeitbild.type_event_object,
+		user_id : _zeitbild.type_user_id
+	) : Promise<void>
+	{
+		const calendar_object : _zeitbild.type_calendar_object = await _zeitbild.repository.calendar.read(
+			calendar_id
+		);
+		return wrap_check_access_level<void>(
+			calendar_object,
+			user_id,
+			_zeitbild.enum_access_level.edit,
+			async () => {
+				await _zeitbild.service.resource.event_change(
+					calendar_object.resource_id,
+					local_resource_event_id,
+					event_object
+				);
+				return Promise.resolve<void>(undefined);
+			}
+		);
+	}
+	
+	
+	/**
 	 */
 	export async function event_remove(
 		calendar_id : _zeitbild.type_calendar_id,
@@ -170,12 +223,15 @@ namespace _zeitbild.service.calendar
 		user_id : _zeitbild.type_user_id
 	) : Promise<
 		Array<
-			_zeitbild.type_event_object
+			{
+				id : (null | _zeitbild.type_local_resource_event_id);
+				object : _zeitbild.type_event_object;
+			}
 		>
 	>
 	{
 		const calendar_object : _zeitbild.type_calendar_object = await _zeitbild.repository.calendar.read(calendar_id);
-		return wrap_check_access_level<Array<_zeitbild.type_event_object>>(
+		return wrap_check_access_level<Array<{id : (null | _zeitbild.type_local_resource_event_id); object : _zeitbild.type_event_object;}>>(
 			calendar_object,
 			user_id,
 			_zeitbild.enum_access_level.view,
@@ -187,18 +243,28 @@ namespace _zeitbild.service.calendar
 							Promise.all(
 								resource_object.data.event_ids
 								.map(
-									(event_id) => _zeitbild.repository.resource.local_resource_event_read(
-										calendar_object.resource_id,
-										event_id
+									(event_id) => (
+										_zeitbild.repository.resource.local_resource_event_read(
+											calendar_object.resource_id,
+											event_id
+										)
+										.then(
+											(event_object) => Promise.resolve(
+												{
+													"id": event_id,
+													"object": event_object,
+												}
+											)
+										)
 									)
 								)
 							)
 							.then(
-								(events) => Promise.resolve(
-									events
+								(event_entries) => Promise.resolve(
+									event_entries
 									.filter(
-										(event : _zeitbild.type_event_object) => lib_plankton.pit.is_between(
-											lib_plankton.pit.from_datetime(event.begin),
+										(event_entry : {id : (null | _zeitbild.type_local_resource_event_id); object : _zeitbild.type_event_object;}) => lib_plankton.pit.is_between(
+											lib_plankton.pit.from_datetime(event_entry.object.begin),
 											from_pit,
 											to_pit
 										)
@@ -278,9 +344,15 @@ namespace _zeitbild.service.calendar
 							.filter(
 								(event) => (event !== null)
 							)
+							.map(
+								(event) => ({
+									"id": null,
+									"object": event,
+								})
+							)
 							.filter(
-								(event) => lib_plankton.pit.is_between(
-									lib_plankton.pit.from_datetime(event.begin),
+								(event_entry) => lib_plankton.pit.is_between(
+									lib_plankton.pit.from_datetime(event_entry.object.begin),
 									from_pit,
 									to_pit
 								)
@@ -313,7 +385,8 @@ namespace _zeitbild.service.calendar
 			{
 				calendar_id : _zeitbild.type_calendar_id;
 				calendar_name : string;
-				event : _zeitbild.type_event_object;
+				event_id : (null | _zeitbild.type_local_resource_event_id);
+				event_object : _zeitbild.type_event_object;
 			}
 		>
 	>
@@ -346,7 +419,12 @@ namespace _zeitbild.service.calendar
 						const calendar_object : _zeitbild.type_calendar_object = await _zeitbild.repository.calendar.read(
 							calendar_id
 						);
-						const events : Array<_zeitbild.type_event_object> = await get_events(
+						const events : Array<
+							{
+								id : (null | _zeitbild.type_local_resource_event_id);
+								object : _zeitbild.type_event_object;
+							}
+						> = await get_events(
 							calendar_id,
 							from_pit,
 							to_pit,
@@ -355,10 +433,11 @@ namespace _zeitbild.service.calendar
 						return Promise.resolve(
 							events
 							.map(
-								(event) => ({
+								(event_entry) => ({
 									"calendar_id": calendar_id,
 									"calendar_name": calendar_object.name,
-									"event": event,
+									"event_id": event_entry.id,
+									"event_object": event_entry.object,
 								})
 							)
 						);
diff --git a/source/services/resource.ts b/source/services/resource.ts
index a401191..ba5b53e 100644
--- a/source/services/resource.ts
+++ b/source/services/resource.ts
@@ -12,6 +12,38 @@ namespace _zeitbild.service.resource
 	}
 	
 	
+	/**
+	 */
+	export async function event_get(
+		resource_id : _zeitbild.type_resource_id,
+		local_resource_event_id : _zeitbild.type_local_resource_event_id
+	) : Promise<_zeitbild.type_event_object>
+	{
+		const resource_object : _zeitbild.type_resource_object = await _zeitbild.repository.resource.read(
+			resource_id
+		);
+		switch (resource_object.kind) {
+			case "local": {
+				const event_object : _zeitbild.type_event_object = await _zeitbild.repository.resource.local_resource_event_read(
+					resource_id,
+					local_resource_event_id
+				);
+				return Promise.resolve<_zeitbild.type_event_object>(event_object);
+				break;
+			}
+			case "caldav": {
+				// TODO
+				return Promise.reject(new Error("not implemented"));
+				break;
+			}
+			default: {
+				// @ts-ignore
+				throw (new Error("unhandled resource kind: " + resource_object.kind));
+			}
+		}
+	}
+	
+	
 	/**
 	 */
 	export async function event_add(
@@ -49,6 +81,45 @@ namespace _zeitbild.service.resource
 	}
 	
 	
+	/**
+	 */
+	export async function event_change(
+		resource_id : _zeitbild.type_resource_id,
+		local_resource_event_id : _zeitbild.type_local_resource_event_id,
+		event_object : _zeitbild.type_event_object
+	) : Promise<void>
+	{
+		const resource_object : _zeitbild.type_resource_object = await _zeitbild.repository.resource.read(
+			resource_id
+		);
+		switch (resource_object.kind) {
+			case "local": {
+				await _zeitbild.repository.resource.local_resource_event_update(
+					resource_id,
+					local_resource_event_id,
+					event_object
+				);
+				return Promise.resolve<void>(undefined);
+				break;
+			}
+			case "caldav": {
+				if (resource_object.data.read_only) {
+					return Promise.reject(new Error("can not change event of read only caldav resource"));
+				}
+				else {
+					// TODO
+					return Promise.reject(new Error("not implemented"));
+				}
+				break;
+			}
+			default: {
+				// @ts-ignore
+				throw (new Error("unhandled resource kind: " + resource_object.kind));
+			}
+		}
+	}
+	
+	
 	/**
 	 */
 	export async function event_remove(
diff --git a/tools/makefile b/tools/makefile
index 97b480f..1486827 100644
--- a/tools/makefile
+++ b/tools/makefile
@@ -59,7 +59,9 @@ ${dir_temp}/zeitbild-unlinked.js: \
 		${dir_source}/api/actions/session_end.ts \
 		${dir_source}/api/actions/calendar_list.ts \
 		${dir_source}/api/actions/calendar_add.ts \
+		${dir_source}/api/actions/calendar_event_get.ts \
 		${dir_source}/api/actions/calendar_event_add.ts \
+		${dir_source}/api/actions/calendar_event_change.ts \
 		${dir_source}/api/actions/calendar_event_remove.ts \
 		${dir_source}/api/actions/events.ts \
 		${dir_source}/api/functions.ts \