android: agregar estado y operaciones de campo

android-app/app/src/main/java/com/korexlabs/dhinspeccion/MainViewModel.kt

@@ -0,0 +1,209 @@
+package com.korexlabs.dhinspeccion
+
+import android.app.Application
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import com.korexlabs.dhinspeccion.data.CreateFieldInventoryRequest
+import com.korexlabs.dhinspeccion.data.DhRepository
+import com.korexlabs.dhinspeccion.data.FieldAssetDetail
+import com.korexlabs.dhinspeccion.data.FieldInventoryItem
+import com.korexlabs.dhinspeccion.data.FieldType
+import com.korexlabs.dhinspeccion.data.StoredSession
+import com.korexlabs.dhinspeccion.data.VisitDetail
+import com.korexlabs.dhinspeccion.data.VisitSummary
+import kotlinx.coroutines.launch
+import java.io.File
+import java.time.Instant
+
+class MainViewModel(application: Application) : AndroidViewModel(application) {
+    private val repository = DhRepository(application)
+
+    var session: StoredSession? by mutableStateOf(repository.currentSession())
+        private set
+    var busy by mutableStateOf(false)
+        private set
+    var error: String? by mutableStateOf(null)
+        private set
+    var notice: String? by mutableStateOf(null)
+        private set
+
+    var visits: List<VisitSummary> by mutableStateOf(emptyList())
+        private set
+    var visit: VisitDetail? by mutableStateOf(null)
+        private set
+
+    var inventory: List<FieldInventoryItem> by mutableStateOf(emptyList())
+        private set
+    var fieldTypes: List<FieldType> by mutableStateOf(emptyList())
+        private set
+    var selectedFieldAsset: FieldAssetDetail? by mutableStateOf(null)
+        private set
+
+    init {
+        if (session != null) loadVisits()
+    }
+
+    fun clearMessages() {
+        error = null
+        notice = null
+    }
+
+    fun login(identifier: String, password: String) {
+        if (identifier.isBlank() || password.isBlank()) {
+            error = "Ingresá usuario y contraseña."
+            return
+        }
+        launchBusy {
+            session = repository.login(identifier, password)
+            notice = "Sesión iniciada."
+            loadVisitsInternal()
+        }
+    }
+
+    fun logout() {
+        viewModelScope.launch {
+            runCatching { repository.logout() }
+            session = null
+            visits = emptyList()
+            visit = null
+            inventory = emptyList()
+            fieldTypes = emptyList()
+            selectedFieldAsset = null
+        }
+    }
+
+    fun loadVisits() = launchBusy { loadVisitsInternal() }
+
+    private suspend fun loadVisitsInternal() {
+        visits = repository.visits().data
+    }
+
+    fun openVisit(id: String) = launchBusy {
+        visit = repository.visit(id)
+        inventory = emptyList()
+        fieldTypes = emptyList()
+        selectedFieldAsset = null
+    }
+
+    fun closeVisitView() {
+        visit = null
+        inventory = emptyList()
+        fieldTypes = emptyList()
+        selectedFieldAsset = null
+        loadVisits()
+    }
+
+    fun startVisit() {
+        val id = visit?.id ?: return
+        launchBusy {
+            visit = repository.startVisit(id)
+            notice = "Inspección iniciada."
+            loadVisitsInternal()
+        }
+    }
+
+    fun searchInventory(search: String, parentId: String? = null) {
+        val id = visit?.id ?: return
+        launchBusy {
+            inventory = repository.fieldInventory(id, search, parentId).data
+        }
+    }
+
+    fun loadFieldTypes(parentId: String? = null) {
+        val id = visit?.id ?: return
+        launchBusy {
+            fieldTypes = repository.fieldTypes(id, parentId).data
+        }
+    }
+
+    fun selectExisting(item: FieldInventoryItem) {
+        val visitId = visit?.id ?: return
+        launchBusy {
+            selectedFieldAsset = repository.selectFieldAsset(visitId, item.id)
+            notice = "Inventario agregado a la inspección."
+            inventory = repository.fieldInventory(visitId, null, null).data
+        }
+    }
+
+    fun createFieldAsset(
+        type: FieldType,
+        parentId: String?,
+        name: String,
+        commonName: String?,
+        attributes: Map<String, Any?>,
+        latitude: Double,
+        longitude: Double,
+        accuracyM: Double?,
+    ) {
+        val visitId = visit?.id ?: return
+        if (visit?.status != "IN_PROGRESS") {
+            error = "La inspección debe estar en curso para dar de alta Inventario."
+            return
+        }
+        launchBusy {
+            val request = CreateFieldInventoryRequest(
+                typeId = type.id,
+                parentId = parentId,
+                name = name.trim(),
+                commonName = commonName?.trim()?.takeIf { it.isNotBlank() },
+                attributes = attributes,
+                deviceLatitude = latitude,
+                deviceLongitude = longitude,
+                deviceAccuracyM = accuracyM,
+                deviceCapturedAt = Instant.now().toString(),
+            )
+            selectedFieldAsset = repository.createFieldAsset(visitId, request)
+            notice = "Inventario creado con GPS. Falta la fotografía obligatoria."
+            inventory = repository.fieldInventory(visitId, null, null).data
+        }
+    }
+
+    fun uploadFieldPhoto(
+        file: File,
+        latitude: Double,
+        longitude: Double,
+        accuracyM: Double?,
+    ) {
+        val visitId = visit?.id ?: return
+        val asset = selectedFieldAsset?.asset ?: return
+        launchBusy {
+            val response = repository.uploadFieldPhoto(
+                visitId = visitId,
+                assetId = asset.id,
+                file = file,
+                latitude = latitude,
+                longitude = longitude,
+                accuracyM = accuracyM,
+            )
+            selectedFieldAsset = selectedFieldAsset?.copy(capture = response.capture)
+            notice = if (response.capture.readyForFinding) {
+                "Captura completa: GPS y fotografía registrados."
+            } else {
+                "Fotografía registrada."
+            }
+            inventory = repository.fieldInventory(visitId, null, null).data
+        }
+    }
+
+    fun clearSelectedFieldAsset() {
+        selectedFieldAsset = null
+    }
+
+    private fun launchBusy(block: suspend () -> Unit) {
+        viewModelScope.launch {
+            busy = true
+            error = null
+            try {
+                block()
+            } catch (throwable: Throwable) {
+                error = DhRepository.humanError(throwable)
+                if (repository.currentSession() == null) session = null
+            } finally {
+                busy = false
+            }
+        }
+    }
+}