Rest API to add downloads (#331)

* feat: rest api to add silent downloads

README.md

@@ -125,6 +125,7 @@ follow these steps.
 
 1. Clone the project
 2. Install the [JBR](https://github.com/JetBrains/JetBrainsRuntime/releases)
+   1. If you extract it to your home directory and don't want to modify global `JAVA_HOME` environment variable you can set `JAVA_HOME` to the extracted directory e.g. `export JAVA_HOME=~/jbrsdk_jcef-21.0.4-linux-x64-b620.4` for linux or `$env:JAVA_HOME="C:\path\to\jbr"` on Windows
 3. cd into the project, open your terminal and execute the following commands
 4. select which way you want to compile the app
 <details>

REST-API.yml

@@ -0,0 +1,100 @@
+openapi: 3.0.0
+info:
+  title: Download Service API
+  version: 1.0.0
+  description: API for managing download tasks and queues.
+servers:
+  - url: http://localhost:15151
+    description: Default server running on port 15151
+
+paths:
+  /add:
+    post:
+      summary: Add a new download source
+      requestBody:
+        description: Data for adding a download source
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                link:
+                  type: string
+                  description: The link to the download source
+                headers:
+                  type: object
+                  additionalProperties:
+                    type: string
+                  description: Optional headers for the request
+                downloadPage:
+                  type: string
+                  description: Optional download page URL
+      responses:
+        "200":
+          description: Successfully added the download
+          content:
+            plain/text:
+              schema:
+                type: string
+                description: OK on success
+
+  /queues:
+    get:
+      summary: Get list of download queues
+      responses:
+        "200":
+          description: List of download queues
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+                  properties:
+                    id:
+                      type: integer
+                      description: The unique ID of the queue
+                    name:
+                      type: string
+                      description: The name of the queue
+  /start-headless-download:
+    post:
+      summary: Add a new download task
+      requestBody:
+        description: Data for adding a download task
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                downloadSource:
+                  type: object
+                  properties:
+                    link:
+                      type: string
+                      description: The link to the download source
+                    headers:
+                      type: object
+                      additionalProperties:
+                        type: string
+                      description: Optional headers for the request
+                    downloadPage:
+                      type: string
+                      description: Optional download page URL
+                folder:
+                  type: string
+                  description: Optional folder to save the download (Unix style path)
+                name:
+                  type: string
+                  description: Optional name for the download task
+                queueId:
+                  type: integer
+                  description: Optional queue ID to associate the task with
+      responses:
+        "200":
+          description: Successfully added the download task
+          content:
+            plain/text:
+              schema:
+                type: string
+                description: OK on success

desktop/app/src/main/kotlin/com/abdownloadmanager/desktop/integration/IntegrationHandlerImp.kt

@@ -1,14 +1,24 @@
 package com.abdownloadmanager.desktop.integration
 
-import com.abdownloadmanager.integration.IntegrationHandler
 import com.abdownloadmanager.desktop.AppComponent
-import ir.amirab.downloader.downloaditem.DownloadCredentials
+import com.abdownloadmanager.desktop.repository.AppRepository
+import com.abdownloadmanager.utils.DownloadSystem
+import com.abdownloadmanager.integration.IntegrationHandler
 import com.abdownloadmanager.integration.NewDownloadInfoFromIntegration
+import com.abdownloadmanager.integration.NewDownloadTask
+import com.abdownloadmanager.integration.ApiQueueModel
+import ir.amirab.downloader.downloaditem.DownloadCredentials
+import ir.amirab.downloader.downloaditem.DownloadItem
+import ir.amirab.downloader.queue.QueueManager
+import ir.amirab.downloader.utils.OnDuplicateStrategy
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.inject
 
 class IntegrationHandlerImp: IntegrationHandler,KoinComponent{
     val appComponent by inject<AppComponent>()
+    val downloadSystem by inject<DownloadSystem>()
+    val queueManager by inject<QueueManager>()
+    val appSettings by inject<AppRepository>()
     override suspend fun addDownload(list: List<NewDownloadInfoFromIntegration>) {
         appComponent.externalCredentialComingIntoApp(list.map {
             DownloadCredentials(
@@ -18,4 +28,34 @@ class IntegrationHandlerImp: IntegrationHandler,KoinComponent{
             )
         })
     }
-}
+    override fun listQueues(): List<ApiQueueModel> {
+        return queueManager.getAll().map { downloadQueue ->
+            val queueModel = downloadQueue.getQueueModel()
+            ApiQueueModel(id = queueModel.id, name = queueModel.name)
+        }
+    }
+    override suspend fun addDownloadTask(task: NewDownloadTask) {
+        val downloadItem =
+                DownloadItem(
+                        link = task.downloadSource.link,
+                        headers = task.downloadSource.headers,
+                        downloadPage = task.downloadSource.downloadPage,
+                        folder = task.folder ?: appSettings.saveLocation.value,
+                        id = -1,
+                        name = task.name ?: task.downloadSource.link.substringAfterLast("/"),
+                )
+        val id =
+                downloadSystem.addDownload(
+                    downloadItem = downloadItem,
+                    onDuplicateStrategy = OnDuplicateStrategy.default(),
+                    queueId = task.queueId,
+                    categoryId = null
+                )
+        if (task.queueId != null) {
+            val queue = queueManager.getQueue(task.queueId!!)
+            queue.start()
+        } else {
+            downloadSystem.manualResume(id)
+        }
+    }
+}

integration/server/src/main/kotlin/com/abdownloadmanager/integration/ApiQueueModel.kt

@@ -0,0 +1,9 @@
+package com.abdownloadmanager.integration
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ApiQueueModel(
+        val id: Long,
+        val name: String,
+)

integration/server/src/main/kotlin/com/abdownloadmanager/integration/Integration.kt

@@ -4,6 +4,7 @@ import com.abdownloadmanager.integration.http4k.MyHttp4KServer
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.*
 import kotlinx.serialization.json.Json
+import kotlinx.serialization.builtins.ListSerializer
 
 //val scope = CoroutineScope(SupervisorJob())
 
@@ -114,6 +115,24 @@ class Integration(
                 }
                 MyResponse.Text("OK")
             }
+            get("/queues") {
+                runBlocking {
+                    val queues = integrationHandler.listQueues()
+                    val jsonResponse = customJson.encodeToString(ListSerializer(ApiQueueModel.serializer()), queues)
+                    MyResponse.Text(jsonResponse)
+                }
+            }
+            post("/start-headless-download") {
+                runBlocking {
+                    val itemsToAdd = kotlin.runCatching {
+                        val message = it.getBody().orEmpty()
+                        customJson.decodeFromString<NewDownloadTask>(message)
+                    }
+                    itemsToAdd.onFailure { it.printStackTrace() }
+                    integrationHandler.addDownloadTask(itemsToAdd.getOrThrow())
+                }
+                MyResponse.Text("OK")
+            }
             post("/ping") {
                 MyResponse.Text("pong")
             }

integration/server/src/main/kotlin/com/abdownloadmanager/integration/IntegrationHandler.kt

@@ -4,4 +4,6 @@ interface IntegrationHandler{
     suspend fun addDownload(
         list: List<NewDownloadInfoFromIntegration>
     )
+    fun listQueues(): List<ApiQueueModel>
+    suspend fun addDownloadTask(task: NewDownloadTask)
 }

integration/server/src/main/kotlin/com/abdownloadmanager/integration/NewDownloadTask.kt

@@ -0,0 +1,11 @@
+package com.abdownloadmanager.integration
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class NewDownloadTask(
+        val downloadSource: NewDownloadInfoFromIntegration,
+        var folder: String? = null,
+        var name: String? = null,
+        var queueId: Long? = null,
+)