Implement MCP Servers, Webhooks, and Models screens
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package com.m57.hermescontrol.ui.mcp
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import android.widget.Toast
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.PaddingValues
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.width
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import androidx.compose.foundation.lazy.LazyColumn
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import androidx.compose.foundation.lazy.items
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.filled.Menu
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import androidx.compose.material.icons.filled.Refresh
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import androidx.compose.material3.Button
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import androidx.compose.material3.Card
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import androidx.compose.material3.CardDefaults
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import androidx.compose.material3.CircularProgressIndicator
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import androidx.compose.material3.ExperimentalMaterial3Api
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import androidx.compose.material3.Icon
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import androidx.compose.material3.IconButton
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.OutlinedButton
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import androidx.compose.material3.Scaffold
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import androidx.compose.material3.Switch
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import androidx.compose.material3.Text
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import androidx.compose.material3.TopAppBar
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.getValue
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.text.font.FontFamily
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import androidx.compose.ui.text.font.FontWeight
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import androidx.compose.ui.unit.dp
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import androidx.lifecycle.compose.collectAsStateWithLifecycle
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import androidx.lifecycle.viewmodel.compose.viewModel
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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fun McpServersScreen(
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modifier: Modifier = Modifier,
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onOpenDrawer: (() -> Unit)? = null,
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viewModel: McpServersViewModel = viewModel { McpServersViewModel() },
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) {
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val state by viewModel.uiState.collectAsStateWithLifecycle()
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val context = LocalContext.current
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LaunchedEffect(Unit) {
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viewModel.loadServers()
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}
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LaunchedEffect(state.toastMessage) {
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state.toastMessage?.let { msg ->
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Toast.makeText(context, msg, Toast.LENGTH_SHORT).show()
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viewModel.clearToast()
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}
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}
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Scaffold(
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topBar = {
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TopAppBar(
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navigationIcon = {
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if (onOpenDrawer != null) {
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IconButton(onClick = onOpenDrawer) {
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Icon(
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imageVector = Icons.Filled.Menu,
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contentDescription = "Open Drawer",
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)
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}
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}
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},
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title = { Text("MCP Servers") },
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actions = {
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IconButton(onClick = { viewModel.loadServers() }) {
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Icon(imageVector = Icons.Filled.Refresh, contentDescription = "Refresh")
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}
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},
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)
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},
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modifier = modifier,
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) { paddingValues ->
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Box(
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modifier =
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Modifier
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.fillMaxSize()
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.padding(paddingValues),
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) {
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if (state.isLoading && state.servers.isEmpty()) {
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CircularProgressIndicator(modifier = Modifier.align(Alignment.Center))
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} else if (state.errorMessage != null && state.servers.isEmpty()) {
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Column(
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modifier =
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Modifier
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.align(Alignment.Center)
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.padding(16.dp),
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horizontalAlignment = Alignment.CenterHorizontally,
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) {
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Text(text = state.errorMessage ?: "", color = MaterialTheme.colorScheme.error)
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Spacer(modifier = Modifier.height(16.dp))
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Button(onClick = { viewModel.loadServers() }) {
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Text("Retry")
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}
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}
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} else {
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LazyColumn(
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modifier = Modifier.fillMaxSize(),
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contentPadding = PaddingValues(16.dp),
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verticalArrangement = Arrangement.spacedBy(12.dp),
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) {
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items(state.servers) { server ->
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Card(
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modifier = Modifier.fillMaxWidth(),
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colors =
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CardDefaults.cardColors(
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containerColor =
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if (server.enabled) {
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MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.15f)
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} else {
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MaterialTheme.colorScheme.surfaceVariant
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},
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),
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) {
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Column(
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modifier =
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Modifier
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.fillMaxWidth()
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.padding(16.dp),
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) {
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Row(
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modifier = Modifier.fillMaxWidth(),
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horizontalArrangement = Arrangement.SpaceBetween,
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verticalAlignment = Alignment.CenterVertically,
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) {
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Column(modifier = Modifier.weight(1f)) {
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Text(
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text = server.name.replaceFirstChar { it.uppercase() },
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style = MaterialTheme.typography.titleMedium,
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fontWeight = FontWeight.Bold,
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)
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Text(
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text = "Transport: ${server.transport ?: "stdio"}",
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style = MaterialTheme.typography.bodySmall,
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color = MaterialTheme.colorScheme.onSurfaceVariant,
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)
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}
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Switch(
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checked = server.enabled,
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onCheckedChange = { viewModel.toggleServer(server) },
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)
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}
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if (server.command != null) {
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Spacer(modifier = Modifier.height(8.dp))
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val fullCmd = "${server.command} ${server.args.orEmpty().joinToString(" ")}"
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Text(
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text = "Command:",
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style = MaterialTheme.typography.bodySmall,
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fontWeight = FontWeight.Bold,
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)
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Text(
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text = fullCmd,
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style =
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MaterialTheme.typography.bodyMedium.copy(
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fontFamily = FontFamily.Monospace,
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),
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)
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}
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Spacer(modifier = Modifier.height(16.dp))
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Row(
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modifier = Modifier.fillMaxWidth(),
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horizontalArrangement = Arrangement.End,
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) {
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OutlinedButton(
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onClick = { viewModel.testServer(server.name) },
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modifier = Modifier.padding(end = 8.dp),
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) {
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Text("Test")
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}
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OutlinedButton(
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onClick = { viewModel.deleteServer(server.name) },
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) {
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Text("Delete")
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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@@ -0,0 +1,184 @@
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package com.m57.hermescontrol.ui.mcp
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
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import com.m57.hermescontrol.data.model.McpServer
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import com.m57.hermescontrol.data.model.McpServerToggleRequest
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import com.m57.hermescontrol.data.remote.ApiClient
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.flow.asStateFlow
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import kotlinx.coroutines.flow.update
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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data class McpServersUiState(
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val isLoading: Boolean = false,
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val isActionRunning: Boolean = false,
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val servers: List<McpServer> = emptyList(),
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val errorMessage: String? = null,
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val toastMessage: String? = null,
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)
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class McpServersViewModel : ViewModel() {
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private val _uiState = MutableStateFlow(McpServersUiState())
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val uiState: StateFlow<McpServersUiState> = _uiState.asStateFlow()
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fun loadServers() {
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_uiState.update { it.copy(isLoading = true, errorMessage = null) }
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viewModelScope.launch {
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try {
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val response =
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withContext(Dispatchers.IO) {
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ApiClient.hermesApi.getMcpServers()
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}
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if (response.isSuccessful) {
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_uiState.update {
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it.copy(
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isLoading = false,
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servers = response.body()?.servers.orEmpty(),
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)
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}
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} else {
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_uiState.update {
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it.copy(
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isLoading = false,
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errorMessage = "Failed to load MCP servers: HTTP ${response.code()}",
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)
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}
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}
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} catch (e: Exception) {
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_uiState.update {
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it.copy(
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isLoading = false,
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errorMessage = "Failed to load MCP servers: ${e.message}",
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)
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}
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}
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}
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}
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fun toggleServer(server: McpServer) {
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val originalEnabled = server.enabled
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val targetEnabled = !originalEnabled
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_uiState.update { state ->
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state.copy(
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servers =
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state.servers.map {
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if (it.name == server.name) it.copy(enabled = targetEnabled) else it
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},
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)
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}
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viewModelScope.launch {
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try {
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val response =
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withContext(Dispatchers.IO) {
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ApiClient.hermesApi.toggleMcpServer(server.name, McpServerToggleRequest(targetEnabled))
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}
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if (!response.isSuccessful) {
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revertToggle(server.name, originalEnabled, "Failed to toggle server: HTTP ${response.code()}")
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} else {
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_uiState.update {
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it.copy(
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toastMessage = "Server '${server.name}' ${if (targetEnabled) "enabled" else "disabled"}",
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)
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}
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}
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} catch (e: Exception) {
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revertToggle(server.name, originalEnabled, "Failed to toggle server: ${e.message}")
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}
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}
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}
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fun testServer(name: String) {
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_uiState.update { it.copy(isActionRunning = true) }
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viewModelScope.launch {
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try {
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val response =
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withContext(Dispatchers.IO) {
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ApiClient.hermesApi.testMcpServer(name)
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}
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if (response.isSuccessful) {
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_uiState.update {
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it.copy(
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isActionRunning = false,
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toastMessage = "Server '$name' tested successfully",
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)
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}
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} else {
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_uiState.update {
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it.copy(
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isActionRunning = false,
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toastMessage = "Server '$name' test failed: HTTP ${response.code()}",
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)
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}
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}
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} catch (e: Exception) {
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_uiState.update {
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it.copy(
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isActionRunning = false,
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toastMessage = "Server '$name' test failed: ${e.message}",
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)
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}
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}
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}
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}
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fun deleteServer(name: String) {
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_uiState.update { it.copy(isActionRunning = true) }
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viewModelScope.launch {
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try {
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val response =
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withContext(Dispatchers.IO) {
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ApiClient.hermesApi.deleteMcpServer(name)
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}
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if (response.isSuccessful) {
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_uiState.update {
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it.copy(
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isActionRunning = false,
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toastMessage = "Server '$name' deleted successfully",
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)
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}
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loadServers()
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} else {
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_uiState.update {
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it.copy(
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isActionRunning = false,
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toastMessage = "Failed to delete server: HTTP ${response.code()}",
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)
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}
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}
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} catch (e: Exception) {
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_uiState.update {
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it.copy(
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isActionRunning = false,
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toastMessage = "Failed to delete server: ${e.message}",
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)
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}
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}
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}
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}
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private fun revertToggle(
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name: String,
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originalEnabled: Boolean,
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errorMsg: String,
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) {
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_uiState.update { state ->
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state.copy(
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servers =
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state.servers.map {
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if (it.name == name) it.copy(enabled = originalEnabled) else it
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},
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toastMessage = errorMsg,
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)
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}
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}
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fun clearToast() {
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_uiState.update { it.copy(toastMessage = null) }
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}
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}
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Reference in new issue
Block a user