From a7229d1d9d4bfcfb6d14ddad81885122ed57cbad Mon Sep 17 00:00:00 2001
From: Sebastian <mail@fawkes100.de>
Date: Mon, 2 Oct 2023 10:35:02 +0200
Subject: [PATCH] Create and simple listing of all tasks

---
 backend/.idea/workspace.xml                   |  76 ++++---
 .../core/api/controller/TaskController.java   |  72 +++++++
 .../timemanager/tasks/TaskEntityInfo.java     |  11 +
 .../java/core/entities/timemanager/Task.java  |   5 +-
 .../core/entities/timemanager/Taskgroup.java  |   8 +
 .../main/java/core/services/TaskService.java  |  28 +++
 openapi.yaml                                  | 202 +++++++++++++++++-
 7 files changed, 376 insertions(+), 26 deletions(-)
 create mode 100644 backend/src/main/java/core/api/controller/TaskController.java

diff --git a/backend/.idea/workspace.xml b/backend/.idea/workspace.xml
index fe49c14..76f6eff 100644
--- a/backend/.idea/workspace.xml
+++ b/backend/.idea/workspace.xml
@@ -4,17 +4,34 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="3a869f59-290a-4ab2-b036-a878ce801bc4" name="Changes" comment="Structure Taskgroups in Hierarchies">
+    <list default="true" id="3a869f59-290a-4ab2-b036-a878ce801bc4" name="Changes" comment="Datastructure for Tasks">
+      <change afterPath="$PROJECT_DIR$/src/main/java/core/api/controller/TaskController.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-creation/taskgroup-creation.component.ts" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-creation/taskgroup-creation.component.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.ts" beforeDir="false" afterPath="$PROJECT_DIR$/../frontend/src/app/taskgroups/taskgroup-dashboard/taskgroup-dashboard.component.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/core/api/models/timemanager/tasks/TaskEntityInfo.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/api/models/timemanager/tasks/TaskEntityInfo.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/Task.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/Task.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/Taskgroup.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/entities/timemanager/Taskgroup.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/core/services/TaskService.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/core/services/TaskService.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/../openapi.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/../openapi.yaml" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Interface" />
+        <option value="Class" />
+      </list>
+    </option>
+  </component>
   <component name="Git.Settings">
+    <option name="RECENT_BRANCH_BY_REPOSITORY">
+      <map>
+        <entry key="$PROJECT_DIR$/.." value="master" />
+      </map>
+    </option>
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
   </component>
   <component name="ProjectColorInfo">{
@@ -26,28 +43,29 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
-  &quot;keyToString&quot;: {
-    &quot;RequestMappingsPanelOrder0&quot;: &quot;0&quot;,
-    &quot;RequestMappingsPanelOrder1&quot;: &quot;1&quot;,
-    &quot;RequestMappingsPanelWidth0&quot;: &quot;75&quot;,
-    &quot;RequestMappingsPanelWidth1&quot;: &quot;75&quot;,
-    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    &quot;WebServerToolWindowFactoryState&quot;: &quot;false&quot;,
-    &quot;git-widget-placeholder&quot;: &quot;issue-7&quot;,
-    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
-    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
-    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
-    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RequestMappingsPanelOrder0": "0",
+    "RequestMappingsPanelOrder1": "1",
+    "RequestMappingsPanelWidth0": "75",
+    "RequestMappingsPanelWidth1": "75",
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "WebServerToolWindowFactoryState": "false",
+    "git-widget-placeholder": "issue-10",
+    "last_directory_selection": "D:/Programmierprojekte/TimeManager/backend/src/main/java/core/api/models/timemanager",
+    "node.js.detected.package.eslint": "true",
+    "node.js.detected.package.tslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "node.js.selected.package.tslint": "(autodetect)",
+    "vue.rearranger.settings.migration": "true"
   },
-  &quot;keyToStringList&quot;: {
-    &quot;DatabaseDriversLRU&quot;: [
-      &quot;mariadb&quot;
+  "keyToStringList": {
+    "DatabaseDriversLRU": [
+      "mariadb"
     ]
   }
-}</component>
+}]]></component>
   <component name="RunManager">
     <configuration name="DemoApplication" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
       <module name="demo" />
@@ -76,7 +94,15 @@
       <option name="project" value="LOCAL" />
       <updated>1696188127467</updated>
     </task>
-    <option name="localTasksCounter" value="2" />
+    <task id="LOCAL-00002" summary="Datastructure for Tasks">
+      <option name="closed" value="true" />
+      <created>1696233406235</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1696233406235</updated>
+    </task>
+    <option name="localTasksCounter" value="3" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -84,7 +110,9 @@
   </component>
   <component name="VcsManagerConfiguration">
     <MESSAGE value="Structure Taskgroups in Hierarchies" />
-    <option name="LAST_COMMIT_MESSAGE" value="Structure Taskgroups in Hierarchies" />
+    <MESSAGE value="Update gitignore for idea folder" />
+    <MESSAGE value="Datastructure for Tasks" />
+    <option name="LAST_COMMIT_MESSAGE" value="Datastructure for Tasks" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
diff --git a/backend/src/main/java/core/api/controller/TaskController.java b/backend/src/main/java/core/api/controller/TaskController.java
new file mode 100644
index 0000000..20791bb
--- /dev/null
+++ b/backend/src/main/java/core/api/controller/TaskController.java
@@ -0,0 +1,72 @@
+package core.api.controller;
+
+import core.api.models.auth.SimpleStatusResponse;
+import core.api.models.timemanager.tasks.TaskEntityInfo;
+import core.api.models.timemanager.tasks.TaskFieldInfo;
+import core.entities.timemanager.Task;
+import core.entities.timemanager.Taskgroup;
+import core.services.*;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+
+@CrossOrigin(origins = "*", maxAge = 3600)
+@RestController
+@RequestMapping("/api")
+public class TaskController {
+
+    private final TaskService taskService;
+    private final TaskgroupService taskgroupService;
+
+    public TaskController(@Autowired TaskService taskService, @Autowired TaskgroupService taskgroupService) {
+        this.taskService = taskService;
+        this.taskgroupService = taskgroupService;
+    }
+
+    @GetMapping("/tasks/{taskgroupID}/{status}")
+    public ResponseEntity<?> listTasksOfTaskgroup(@PathVariable long taskgroupID, @PathVariable String status) {
+        PermissionResult<Taskgroup> taskgroupPermissionResult = taskgroupService.getTaskgroupByIDAndUsername(taskgroupID, SecurityContextHolder.getContext().getAuthentication().getName());
+        if(!taskgroupPermissionResult.isHasPermissions()) {
+            return ResponseEntity.status(403).body(new SimpleStatusResponse("failed"));
+        }
+
+        if(taskgroupPermissionResult.getExitCode() == ServiceExitCode.MISSING_ENTITY) {
+            return ResponseEntity.status(404).body(new SimpleStatusResponse("failed"));
+        }
+
+
+        if(status.equalsIgnoreCase("all")) {
+            return ResponseEntity.ok(taskgroupPermissionResult.getResult().getTasks().stream().map(TaskEntityInfo::new));
+        } else if(status.equalsIgnoreCase("overdue")) {
+            //List overdue tasks
+            return ResponseEntity.ok(new SimpleStatusResponse("success"));
+        } else if(status.equalsIgnoreCase("upcoming")) {
+            //List upcoming tasks
+            return ResponseEntity.ok(new SimpleStatusResponse("success"));
+        } else {
+            return ResponseEntity.status(404).body(new SimpleStatusResponse("failed"));
+        }
+    }
+
+    @PostMapping("/tasks/{taskgroupID}")
+    public ResponseEntity<?> createTask(@PathVariable long taskgroupID, @RequestBody @Valid TaskFieldInfo taskFieldInfo) {
+        PermissionResult<Taskgroup> taskgroupPermissionResult = taskgroupService.getTaskgroupByIDAndUsername(taskgroupID, SecurityContextHolder.getContext().getAuthentication().getName());
+        if(!taskgroupPermissionResult.isHasPermissions()) {
+            return ResponseEntity.status(403).body(new SimpleStatusResponse("failed"));
+        }
+
+        if(taskgroupPermissionResult.getExitCode() == ServiceExitCode.MISSING_ENTITY) {
+            return ResponseEntity.status(404).body(new SimpleStatusResponse("failed"));
+        }
+
+        ServiceResult<Task> creationResult = taskService.createTask(taskgroupPermissionResult.getResult(), taskFieldInfo);
+        if(creationResult.getExitCode() == ServiceExitCode.ENTITY_ALREADY_EXIST) {
+            return ResponseEntity.status(409).body(new SimpleStatusResponse("failed"));
+        } else {
+            return ResponseEntity.ok(new TaskEntityInfo(creationResult.getResult()));
+        }
+    }
+}
diff --git a/backend/src/main/java/core/api/models/timemanager/tasks/TaskEntityInfo.java b/backend/src/main/java/core/api/models/timemanager/tasks/TaskEntityInfo.java
index f052ba1..02a7b69 100644
--- a/backend/src/main/java/core/api/models/timemanager/tasks/TaskEntityInfo.java
+++ b/backend/src/main/java/core/api/models/timemanager/tasks/TaskEntityInfo.java
@@ -16,12 +16,15 @@ public class TaskEntityInfo {
 
     private LocalDate deadline;
 
+    private boolean overdue;
+
     public TaskEntityInfo(Task task) {
         this.taskID = task.getTaskID();
         this.taskName = task.getTaskName();
         this.eta = task.getEta();
         this.startDate = task.getStartDate();
         this.deadline = task.getDeadline();
+        this.overdue = LocalDate.now().isAfter(task.getDeadline());
     }
 
     public long getTaskID() {
@@ -63,4 +66,12 @@ public class TaskEntityInfo {
     public void setDeadline(LocalDate deadline) {
         this.deadline = deadline;
     }
+
+    public boolean isOverdue() {
+        return overdue;
+    }
+
+    public void setOverdue(boolean overdue) {
+        this.overdue = overdue;
+    }
 }
diff --git a/backend/src/main/java/core/entities/timemanager/Task.java b/backend/src/main/java/core/entities/timemanager/Task.java
index 2621424..5f7446e 100644
--- a/backend/src/main/java/core/entities/timemanager/Task.java
+++ b/backend/src/main/java/core/entities/timemanager/Task.java
@@ -22,9 +22,12 @@ public class Task {
 
     private int eta;
 
-    public Task(Taskgroup taskgroup, String taskName) {
+    public Task(Taskgroup taskgroup, String taskName, LocalDate startDate, LocalDate deadline, int eta) {
         this.taskgroup = taskgroup;
         this.taskName = taskName;
+        this.startDate = startDate;
+        this.deadline = deadline;
+        this.eta = eta;
     }
 
     public Task() {
diff --git a/backend/src/main/java/core/entities/timemanager/Taskgroup.java b/backend/src/main/java/core/entities/timemanager/Taskgroup.java
index 7278502..6e18d60 100644
--- a/backend/src/main/java/core/entities/timemanager/Taskgroup.java
+++ b/backend/src/main/java/core/entities/timemanager/Taskgroup.java
@@ -79,4 +79,12 @@ public class Taskgroup {
     public void setParent(Taskgroup parent) {
         this.parent = parent;
     }
+
+    public Set<Task> getTasks() {
+        return tasks;
+    }
+
+    public void setTasks(Set<Task> tasks) {
+        this.tasks = tasks;
+    }
 }
diff --git a/backend/src/main/java/core/services/TaskService.java b/backend/src/main/java/core/services/TaskService.java
index eff16dc..f9c2020 100644
--- a/backend/src/main/java/core/services/TaskService.java
+++ b/backend/src/main/java/core/services/TaskService.java
@@ -1,9 +1,15 @@
 package core.services;
 
+import core.api.models.timemanager.tasks.TaskFieldInfo;
+import core.entities.timemanager.Task;
+import core.entities.timemanager.Taskgroup;
 import core.repositories.timemanager.TaskRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.Collection;
+import java.util.List;
+
 @Service
 public class TaskService {
 
@@ -12,4 +18,26 @@ public class TaskService {
     public TaskService(@Autowired TaskRepository taskRepository) {
         this.taskRepository = taskRepository;
     }
+
+    public ServiceResult<Task> createTask(Taskgroup taskgroup, TaskFieldInfo taskFieldInfo) {
+        if(existTaskByName(taskgroup.getTasks(), taskFieldInfo.getTaskName())) {
+            return new ServiceResult<>(ServiceExitCode.ENTITY_ALREADY_EXIST);
+        }
+
+
+        Task task = new Task(taskgroup, taskFieldInfo.getTaskName(), taskFieldInfo.getStartDate(), taskFieldInfo.getDeadline(), taskFieldInfo.getEta());
+        taskgroup.getTasks().add(task);
+        taskRepository.save(task);
+
+        return new ServiceResult<>(task);
+    }
+
+    private boolean existTaskByName(Collection<Task> tasks, String name) {
+        for(Task task : tasks) {
+            if(task.getTaskName().equals(name)) {
+                return true;
+            }
+        }
+        return false;
+    }
 }
diff --git a/openapi.yaml b/openapi.yaml
index af8b5b3..3699910 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -829,6 +829,147 @@ paths:
                     example: "failed"
                     enum:
                       - "failed"
+  /tasks/{taskgroupID}/{status}:
+    get: 
+      security:
+        - API_TOKEN: []
+      tags:
+        - task
+      summary: list tasks
+      description: list tasks
+      parameters:
+        - name: taskgroupID
+          in: path
+          description: internal id of taskgroup
+          required: true
+          schema:
+            type: number
+            example: 1
+        - name: status
+          in: path
+          description: scope of listed tasks
+          required: true
+          schema:
+            type: string
+            enum:
+              - all
+              - overdue
+              - upcoming
+            example: all
+      responses:
+        200:
+          description: Anfrage erfolgreich
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/TaskEntityInfo'
+        403:
+          description: No permission
+          content:
+            'application/json':
+              schema:
+                type: object
+                required:
+                  - status
+                properties:
+                  status:
+                    type: string
+                    description: Status
+                    example: "failed"
+                    enum:
+                      - "failed"
+        404:
+          description: Taskgroup does not exist
+          content:
+            'application/json':
+              schema:
+                type: object
+                required:
+                  - status
+                properties:
+                  status:
+                    type: string
+                    description: Status
+                    example: "failed"
+                    enum:
+                      - "failed"
+  /tasks/{taskgroupID}:
+    put: 
+      security:
+        - API_TOKEN: []
+      tags:
+        - task
+      summary: creates a new task
+      description: creates tasks
+      parameters:
+        - name: taskgroupID
+          in: path
+          description: internal id of taskgroup
+          required: true
+          schema:
+            type: number
+            example: 1
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/TaskFieldInfo'
+      responses:
+        200:
+          description: Anfrage erfolgreich
+          content:
+            'application/json':
+              schema:
+                type: object
+                $ref: '#/components/schemas/TaskEntityInfo'
+        403:
+          description: No permission
+          content:
+            'application/json':
+              schema:
+                type: object
+                required:
+                  - status
+                properties:
+                  status:
+                    type: string
+                    description: Status
+                    example: "failed"
+                    enum:
+                      - "failed"
+        404:
+          description: Taskgroup does not exist
+          content:
+            'application/json':
+              schema:
+                type: object
+                required:
+                  - status
+                properties:
+                  status:
+                    type: string
+                    description: Status
+                    example: "failed"
+                    enum:
+                      - "failed"
+        409:
+          description: Task already exist
+          content:
+            'application/json':
+              schema:
+                type: object
+                required:
+                  - status
+                properties:
+                  status:
+                    type: string
+                    description: Status
+                    example: "failed"
+                    enum:
+                      - "failed"
+
 components:
   securitySchemes:
    API_TOKEN:
@@ -1051,4 +1192,63 @@ components:
           type: number
           description: internal id of parent Taskgroup
           example: 1
-        
\ No newline at end of file
+    TaskEntityInfo:
+      required:
+        - taskID
+        - taskName
+        - eta
+        - startDate
+        - deadline
+        - overdue
+      additionalProperties: false
+      properties:
+        taskID:
+          type: number
+          description: internal id of task
+          example: 1
+        taskName:
+          type: string
+          description: name of task
+          example: Vorlesung schauen
+        eta:
+          type: number
+          description: expected time to finish task
+          example: 10
+          minimum: 0
+        startDate: 
+          type: string
+          format: date
+          description: date from which the task can be started
+        deadline:
+          type: string
+          format: date
+          description: date until the task has to be finished
+        overdue:
+          type: boolean
+          description: determines whether the task is overdue
+          example: True
+    TaskFieldInfo:
+      required:
+        - taskName
+        - eta
+        - startDate
+        - deadline
+      additionalProperties: false
+      properties:
+        taskName:
+          type: string
+          description: name of task
+          example: Vorlesung schauen
+        eta:
+          type: number
+          description: expected time to finish task
+          example: 10
+          minimum: 0
+        startDate: 
+          type: string
+          format: date
+          description: date from which the task can be started
+        deadline:
+          type: string
+          format: date
+          description: date until the task has to be finished
\ No newline at end of file