android: implementar contrato API y sesión cifrada
This commit is contained in:
@@ -0,0 +1,531 @@
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package com.korexlabs.dhinspeccion.data
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import android.content.Context
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import android.security.keystore.KeyGenParameterSpec
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import android.security.keystore.KeyProperties
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import android.util.Base64
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import com.korexlabs.dhinspeccion.BuildConfig
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import com.squareup.moshi.Moshi
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import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory
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import kotlinx.coroutines.sync.Mutex
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import kotlinx.coroutines.sync.withLock
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import okhttp3.MediaType.Companion.toMediaType
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import okhttp3.MultipartBody
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import okhttp3.OkHttpClient
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import okhttp3.RequestBody.Companion.asRequestBody
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import okhttp3.RequestBody.Companion.toRequestBody
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import org.json.JSONObject
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import retrofit2.HttpException
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import retrofit2.Retrofit
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import retrofit2.converter.moshi.MoshiConverterFactory
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import retrofit2.http.Body
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import retrofit2.http.GET
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import retrofit2.http.Header
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import retrofit2.http.Multipart
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import retrofit2.http.POST
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import retrofit2.http.Part
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import retrofit2.http.Path
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import retrofit2.http.Query
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import java.io.File
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import java.security.KeyStore
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import java.time.Instant
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import java.util.UUID
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import javax.crypto.Cipher
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import javax.crypto.KeyGenerator
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import javax.crypto.SecretKey
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import javax.crypto.spec.GCMParameterSpec
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// ---------- Auth ----------
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data class LoginRequest(
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val identifier: String,
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val password: String,
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val deviceLabel: String = "DH Android",
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)
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data class RefreshRequest(val refreshToken: String)
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data class MobileUser(
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val id: String,
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val username: String,
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val firstName: String? = null,
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val lastName: String? = null,
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val email: String? = null,
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val mustChangePassword: Boolean = false,
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val roles: List<String> = emptyList(),
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val permissions: List<String> = emptyList(),
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)
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data class MobileSessionResponse(
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val user: MobileUser,
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val accessToken: String,
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val refreshToken: String,
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val accessExpiresInSeconds: Long,
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)
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data class StoredSession(
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val userId: String,
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val username: String,
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val displayName: String,
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val accessToken: String,
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val refreshToken: String,
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)
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// ---------- Inspections ----------
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data class AssetSummary(
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val id: String,
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val code: String,
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val name: String,
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val typeName: String? = null,
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)
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data class PersonSummary(
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val id: String,
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val username: String? = null,
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val firstName: String? = null,
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val lastName: String? = null,
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)
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data class VisitSummary(
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val id: String,
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val code: String,
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val title: String? = null,
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val objective: String? = null,
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val status: String,
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val scopeAsset: AssetSummary? = null,
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val operationalArea: AssetSummary? = null,
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val operatorCompany: AssetSummary? = null,
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val leadInspector: PersonSummary? = null,
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val plannedStartAt: String? = null,
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val actualStartedAt: String? = null,
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val actualClosedAt: String? = null,
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val instructions: String? = null,
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val checklistGeneration: Int = 0,
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val assetCount: Int = 0,
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val memberCount: Int = 0,
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)
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data class VisitMeta(
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val page: Int,
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val pageSize: Int,
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val total: Int,
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val totalPages: Int,
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)
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data class VisitListResponse(val data: List<VisitSummary>, val meta: VisitMeta)
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data class PlannedAsset(
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val id: String,
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val code: String,
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val name: String,
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val typeName: String? = null,
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val included: Boolean = true,
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val planningSource: String? = null,
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val exclusionReason: String? = null,
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)
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data class ChecklistItem(
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val id: String,
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val findingId: String? = null,
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val findingCode: String? = null,
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val findingTitle: String? = null,
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val findingStatus: String? = null,
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val severity: Int? = null,
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val itemKind: String? = null,
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val referenceOn: String? = null,
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val asset: AssetSummary? = null,
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val assetIncluded: Boolean = true,
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)
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data class ChecklistSummary(
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val generation: Int = 0,
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val stale: Boolean = false,
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val antecedents: Int = 0,
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val companyOverdue: Int = 0,
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val verificationOverdue: Int = 0,
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val upcomingControls: Int = 0,
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val actionableAssets: Int = 0,
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val excludedAssets: Int = 0,
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val items: List<ChecklistItem> = emptyList(),
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)
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data class VisitDetail(
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val id: String,
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val code: String,
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val title: String? = null,
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val objective: String? = null,
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val status: String,
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val operationalArea: AssetSummary? = null,
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val operatorCompany: AssetSummary? = null,
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val leadInspector: PersonSummary? = null,
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val plannedStartAt: String? = null,
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val actualStartedAt: String? = null,
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val actualClosedAt: String? = null,
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val instructions: String? = null,
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val assets: List<AssetSummary> = emptyList(),
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val planningAssets: List<PlannedAsset> = emptyList(),
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val team: List<PersonSummary> = emptyList(),
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val checklist: ChecklistSummary = ChecklistSummary(),
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)
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// ---------- Field inventory ----------
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data class FieldContext(
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val visitId: String? = null,
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val visitCode: String? = null,
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val areaId: String? = null,
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val areaCode: String? = null,
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val areaName: String? = null,
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val companyId: String? = null,
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val companyCode: String? = null,
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val companyName: String? = null,
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)
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data class FieldInventoryItem(
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val id: String,
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val code: String,
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val name: String,
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val commonName: String? = null,
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val informationStatus: String? = null,
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val dataOrigin: String? = null,
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val type: AssetSummary? = null,
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val parent: AssetSummary? = null,
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val selectedInInspection: Boolean = false,
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val captureRequired: Boolean = false,
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val hasGeometry: Boolean = false,
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val fieldPhotoCount: Int = 0,
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val readyForFinding: Boolean = true,
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)
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data class FieldInventoryListResponse(
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val context: FieldContext,
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val data: List<FieldInventoryItem>,
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)
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data class FieldAttributeDefinition(
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val id: String,
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val code: String,
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val name: String,
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val dataType: String,
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val isRequired: Boolean = false,
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val unit: String? = null,
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val options: Any? = null,
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val sortOrder: Int = 0,
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)
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data class FieldType(
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val id: String,
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val code: String,
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val name: String,
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val description: String? = null,
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val attributes: List<FieldAttributeDefinition> = emptyList(),
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)
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data class FieldTypeResponse(
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val context: FieldContext,
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val parent: AssetSummary,
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val data: List<FieldType>,
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)
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data class CaptureStatus(
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val captureRequired: Boolean = false,
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val hasGeometry: Boolean = false,
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val creationGpsCaptured: Boolean = false,
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val fieldPhotoCount: Int = 0,
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val readyForFinding: Boolean = true,
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)
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data class FieldAssetDetail(
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val context: FieldContext? = null,
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val asset: FieldInventoryItem,
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val selectedInInspection: Boolean = true,
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val capture: CaptureStatus = CaptureStatus(),
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)
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data class CreateFieldInventoryRequest(
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val typeId: String,
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val parentId: String? = null,
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val code: String? = null,
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val name: String,
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val commonName: String? = null,
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val description: String? = null,
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val discoveryNotes: String? = null,
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val attributes: Map<String, Any?>,
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val deviceLatitude: Double,
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val deviceLongitude: Double,
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val deviceAccuracyM: Double? = null,
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val deviceCapturedAt: String,
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val deviceLabel: String = "DH Android",
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)
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data class FieldPhotoResponse(
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val capture: CaptureStatus,
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)
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interface DhApi {
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@POST("auth/mobile/login")
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suspend fun login(@Body request: LoginRequest): MobileSessionResponse
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@POST("auth/mobile/refresh")
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suspend fun refresh(@Body request: RefreshRequest): MobileSessionResponse
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@POST("auth/mobile/logout")
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suspend fun logout(@Header("Authorization") authorization: String): Map<String, Any?>
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@GET("inspection-visits")
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suspend fun visits(
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@Header("Authorization") authorization: String,
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@Query("inspectorId") inspectorId: String,
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@Query("pageSize") pageSize: Int = 100,
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): VisitListResponse
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@GET("inspection-visits/{id}")
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suspend fun visit(
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@Header("Authorization") authorization: String,
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@Path("id") id: String,
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): VisitDetail
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@POST("inspection-visits/{id}/start")
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suspend fun startVisit(
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@Header("Authorization") authorization: String,
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@Path("id") id: String,
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): VisitDetail
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@GET("inspection-visits/{visitId}/field-inventory")
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suspend fun fieldInventory(
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@Header("Authorization") authorization: String,
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@Path("visitId") visitId: String,
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@Query("search") search: String? = null,
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@Query("parentId") parentId: String? = null,
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@Query("limit") limit: Int = 80,
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): FieldInventoryListResponse
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@GET("inspection-visits/{visitId}/field-inventory/types")
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suspend fun fieldTypes(
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@Header("Authorization") authorization: String,
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@Path("visitId") visitId: String,
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@Query("parentId") parentId: String? = null,
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): FieldTypeResponse
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@POST("inspection-visits/{visitId}/field-inventory/{assetId}/select")
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suspend fun selectFieldAsset(
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@Header("Authorization") authorization: String,
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@Path("visitId") visitId: String,
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@Path("assetId") assetId: String,
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): FieldAssetDetail
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@POST("inspection-visits/{visitId}/field-inventory")
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suspend fun createFieldAsset(
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@Header("Authorization") authorization: String,
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@Path("visitId") visitId: String,
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@Body request: CreateFieldInventoryRequest,
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): FieldAssetDetail
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@Multipart
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@POST("inspection-visits/{visitId}/field-inventory/{assetId}/photos")
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suspend fun uploadFieldPhoto(
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@Header("Authorization") authorization: String,
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@Path("visitId") visitId: String,
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@Path("assetId") assetId: String,
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@Part file: MultipartBody.Part,
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@Part("deviceLatitude") latitude: okhttp3.RequestBody,
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@Part("deviceLongitude") longitude: okhttp3.RequestBody,
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@Part("deviceAccuracyM") accuracy: okhttp3.RequestBody?,
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@Part("deviceCapturedAt") capturedAt: okhttp3.RequestBody,
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@Part("deviceLabel") deviceLabel: okhttp3.RequestBody,
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@Part("exifLatitude") exifLatitude: okhttp3.RequestBody?,
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@Part("exifLongitude") exifLongitude: okhttp3.RequestBody?,
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@Part("exifCapturedAt") exifCapturedAt: okhttp3.RequestBody?,
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): FieldPhotoResponse
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}
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class SecureSessionStore(context: Context) {
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private val prefs = context.getSharedPreferences("dh_v2_mobile_session", Context.MODE_PRIVATE)
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private val alias = "dh_v2_mobile_session_key"
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fun load(): StoredSession? {
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val encoded = prefs.getString("payload", null) ?: return null
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return runCatching {
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val parts = encoded.split('.', limit = 2)
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require(parts.size == 2)
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val iv = Base64.decode(parts[0], Base64.NO_WRAP)
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val encrypted = Base64.decode(parts[1], Base64.NO_WRAP)
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val cipher = Cipher.getInstance("AES/GCM/NoPadding")
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cipher.init(Cipher.DECRYPT_MODE, key(), GCMParameterSpec(128, iv))
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val json = JSONObject(String(cipher.doFinal(encrypted), Charsets.UTF_8))
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StoredSession(
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userId = json.getString("userId"),
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username = json.getString("username"),
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displayName = json.optString("displayName", json.getString("username")),
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accessToken = json.getString("accessToken"),
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refreshToken = json.getString("refreshToken"),
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)
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}.getOrElse {
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clear()
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null
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}
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}
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fun save(response: MobileSessionResponse): StoredSession {
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val displayName = listOfNotNull(response.user.firstName, response.user.lastName)
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.joinToString(" ").trim().ifBlank { response.user.username }
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val stored = StoredSession(
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userId = response.user.id,
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username = response.user.username,
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displayName = displayName,
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accessToken = response.accessToken,
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refreshToken = response.refreshToken,
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)
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val json = JSONObject()
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.put("userId", stored.userId)
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.put("username", stored.username)
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.put("displayName", stored.displayName)
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.put("accessToken", stored.accessToken)
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.put("refreshToken", stored.refreshToken)
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.toString()
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val cipher = Cipher.getInstance("AES/GCM/NoPadding")
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cipher.init(Cipher.ENCRYPT_MODE, key())
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val encrypted = cipher.doFinal(json.toByteArray(Charsets.UTF_8))
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val payload = Base64.encodeToString(cipher.iv, Base64.NO_WRAP) + "." +
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Base64.encodeToString(encrypted, Base64.NO_WRAP)
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prefs.edit().putString("payload", payload).apply()
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return stored
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}
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fun clear() {
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prefs.edit().clear().apply()
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}
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||||||
|
private fun key(): SecretKey {
|
||||||
|
val keyStore = KeyStore.getInstance("AndroidKeyStore").apply { load(null) }
|
||||||
|
(keyStore.getKey(alias, null) as? SecretKey)?.let { return it }
|
||||||
|
val generator = KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore")
|
||||||
|
generator.init(
|
||||||
|
KeyGenParameterSpec.Builder(
|
||||||
|
alias,
|
||||||
|
KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT,
|
||||||
|
)
|
||||||
|
.setBlockModes(KeyProperties.BLOCK_MODE_GCM)
|
||||||
|
.setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE)
|
||||||
|
.setRandomizedEncryptionRequired(true)
|
||||||
|
.build(),
|
||||||
|
)
|
||||||
|
return generator.generateKey()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class DhRepository(context: Context) {
|
||||||
|
private val store = SecureSessionStore(context.applicationContext)
|
||||||
|
private val refreshMutex = Mutex()
|
||||||
|
private val moshi = Moshi.Builder().addLast(KotlinJsonAdapterFactory()).build()
|
||||||
|
private val api: DhApi = Retrofit.Builder()
|
||||||
|
.baseUrl(BuildConfig.API_BASE_URL)
|
||||||
|
.client(OkHttpClient.Builder().build())
|
||||||
|
.addConverterFactory(MoshiConverterFactory.create(moshi))
|
||||||
|
.build()
|
||||||
|
.create(DhApi::class.java)
|
||||||
|
|
||||||
|
fun currentSession(): StoredSession? = store.load()
|
||||||
|
|
||||||
|
suspend fun login(identifier: String, password: String): StoredSession =
|
||||||
|
store.save(api.login(LoginRequest(identifier.trim(), password)))
|
||||||
|
|
||||||
|
suspend fun logout() {
|
||||||
|
val session = store.load()
|
||||||
|
if (session != null) runCatching { api.logout("Bearer ${session.accessToken}") }
|
||||||
|
store.clear()
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun visits(): VisitListResponse = authorized { session ->
|
||||||
|
api.visits("Bearer ${session.accessToken}", session.userId)
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun visit(id: String): VisitDetail = authorized { session ->
|
||||||
|
api.visit("Bearer ${session.accessToken}", id)
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun startVisit(id: String): VisitDetail = authorized { session ->
|
||||||
|
api.startVisit("Bearer ${session.accessToken}", id)
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun fieldInventory(visitId: String, search: String?, parentId: String? = null) = authorized { session ->
|
||||||
|
api.fieldInventory("Bearer ${session.accessToken}", visitId, search?.takeIf { it.isNotBlank() }, parentId)
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun fieldTypes(visitId: String, parentId: String?) = authorized { session ->
|
||||||
|
api.fieldTypes("Bearer ${session.accessToken}", visitId, parentId)
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun selectFieldAsset(visitId: String, assetId: String) = authorized { session ->
|
||||||
|
api.selectFieldAsset("Bearer ${session.accessToken}", visitId, assetId)
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun createFieldAsset(visitId: String, request: CreateFieldInventoryRequest) = authorized { session ->
|
||||||
|
api.createFieldAsset("Bearer ${session.accessToken}", visitId, request)
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun uploadFieldPhoto(
|
||||||
|
visitId: String,
|
||||||
|
assetId: String,
|
||||||
|
file: File,
|
||||||
|
latitude: Double,
|
||||||
|
longitude: Double,
|
||||||
|
accuracyM: Double?,
|
||||||
|
capturedAt: String = Instant.now().toString(),
|
||||||
|
): FieldPhotoResponse = authorized { session ->
|
||||||
|
val text = "text/plain".toMediaType()
|
||||||
|
val body = file.asRequestBody("image/jpeg".toMediaType())
|
||||||
|
val part = MultipartBody.Part.createFormData("file", file.name, body)
|
||||||
|
api.uploadFieldPhoto(
|
||||||
|
authorization = "Bearer ${session.accessToken}",
|
||||||
|
visitId = visitId,
|
||||||
|
assetId = assetId,
|
||||||
|
file = part,
|
||||||
|
latitude = latitude.toString().toRequestBody(text),
|
||||||
|
longitude = longitude.toString().toRequestBody(text),
|
||||||
|
accuracy = accuracyM?.toString()?.toRequestBody(text),
|
||||||
|
capturedAt = capturedAt.toRequestBody(text),
|
||||||
|
deviceLabel = "DH Android".toRequestBody(text),
|
||||||
|
exifLatitude = latitude.toString().toRequestBody(text),
|
||||||
|
exifLongitude = longitude.toString().toRequestBody(text),
|
||||||
|
exifCapturedAt = capturedAt.toRequestBody(text),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
private suspend fun <T> authorized(block: suspend (StoredSession) -> T): T {
|
||||||
|
var session = store.load() ?: throw IllegalStateException("Sesión no iniciada")
|
||||||
|
try {
|
||||||
|
return block(session)
|
||||||
|
} catch (error: HttpException) {
|
||||||
|
if (error.code() != 401) throw error
|
||||||
|
}
|
||||||
|
session = refresh(session.refreshToken)
|
||||||
|
return block(session)
|
||||||
|
}
|
||||||
|
|
||||||
|
private suspend fun refresh(previousRefreshToken: String): StoredSession = refreshMutex.withLock {
|
||||||
|
val latest = store.load() ?: throw IllegalStateException("Sesión no iniciada")
|
||||||
|
if (latest.refreshToken != previousRefreshToken) return@withLock latest
|
||||||
|
try {
|
||||||
|
store.save(api.refresh(RefreshRequest(previousRefreshToken)))
|
||||||
|
} catch (error: Throwable) {
|
||||||
|
store.clear()
|
||||||
|
throw error
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
companion object {
|
||||||
|
fun humanError(error: Throwable): String {
|
||||||
|
if (error is HttpException) {
|
||||||
|
val body = runCatching { error.response()?.errorBody()?.string() }.getOrNull()
|
||||||
|
val message = runCatching { JSONObject(body.orEmpty()).optString("message") }.getOrNull()
|
||||||
|
if (!message.isNullOrBlank()) return message
|
||||||
|
return "Error HTTP ${error.code()}"
|
||||||
|
}
|
||||||
|
return error.message ?: "Ocurrió un error inesperado"
|
||||||
|
}
|
||||||
|
|
||||||
|
fun newOperationId(): String = UUID.randomUUID().toString()
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user