configuration of EdgeDb connection by project name

Author: EvilLord666

WeatherControl/Wissance.WeatherControl.WebApi.V2/Config/DatabaseSettings.cs

@@ -7,6 +7,6 @@ namespace Wissance.WeatherControl.WebApi.V2.Config
 {
     public class DatabaseSettings
     {
-        public string ConnStr { get; set; }
+        public string ProjectName { get; set; }
     }
 }

WeatherControl/Wissance.WeatherControl.WebApi.V2/Data/EdgeDbProjectCredentials.cs

@@ -0,0 +1,18 @@
+using Newtonsoft.Json;
+
+namespace Wissance.WeatherControl.WebApi.V2.Data
+{
+    public class EdgeDbProjectCredentials
+    {
+        public int Port { get; set; }
+        public string User { get; set; }
+        public string Password { get; set; }
+        public string Database { get; set; }
+        [JsonProperty("tls_cert_data")]
+        public string TlsCertData { get; set; }
+        [JsonProperty("tls_ca")]
+        public string TlsCa { get; set; }
+        [JsonProperty("tls_security")]
+        public string TlsSecurity { get; set; }
+    }
+}

WeatherControl/Wissance.WeatherControl.WebApi.V2/Managers/EdgeDbManager.cs

@@ -111,7 +111,7 @@ public async Task<OperationResultDto<Tuple<IList<TRes>,long>>> GetAsync(int page
                 if (countQuery == null)
                     throw new NotSupportedException($"EQL count query for model {_model} is not ready");
                 long totalItems = await _edgeDbClient.QuerySingleAsync<long>(countQuery);
-                // todo: modve to dictionary ...
+                // todo: move to dictionary ...
                 string getQuery = _resolver.GetQueryToFetchManyItems(_model, (page - 1) * size, size);
                 if (getQuery == null)
                     throw new NotSupportedException($"EQL get query for model {_model} is not ready");

WeatherControl/Wissance.WeatherControl.WebApi.V2/Startup.cs

@@ -6,13 +6,16 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
 using Serilog;
 using EdgeDB;
 using Microsoft.AspNetCore.Routing.Internal;
+using Newtonsoft.Json;
 using Wissance.WeatherControl.WebApi.V2.Config;
+using Wissance.WeatherControl.WebApi.V2.Data;
 
 
 namespace Wissance.WeatherControl.WebApi.V2
@@ -69,33 +72,88 @@ private void ConfigureLogging(IServiceCollection services)
 
         private void ConfigureDatabase(IServiceCollection services)
         {
-            EdgeDBConnection conn = EdgeDBConnection.FromDSN(Settings.Database.ConnStr);
+            ILoggerFactory loggerFactory = services.BuildServiceProvider().GetRequiredService<ILoggerFactory>();
+            // todo(UMV): Resolve security settings using Project Name: that is why important to have same project name for all Backend developers
+            // use ~AppData\Local\EdgeDB\config\credentials
+            string connStr = GetEdgeDbConnStrByProjectName(Settings.Database.ProjectName, loggerFactory);
+            EdgeDBConnection conn = EdgeDBConnection.FromDSN(connStr);
             conn.TLSSecurity = TLSSecurityMode.Insecure;
 
             services.AddEdgeDB(conn, cfg =>
             {
                 cfg.ClientType = EdgeDBClientType.Tcp;
+                cfg.SchemaNamingStrategy = INamingStrategy.CamelCaseNamingStrategy;
                 cfg.DefaultPoolSize = 256;
-                cfg.ConnectionTimeout = 3000;
-                cfg.MessageTimeout = 5000;
+                cfg.ConnectionTimeout = 5000;
+                cfg.MessageTimeout = 10000;
             });
         }
 
         private void ConfigureWebApi(IServiceCollection services)
         {
             services.AddControllers();
-
-            // ConfigureManagers(services);
         }
 
         /*private void ConfigureManagers(IServiceCollection services)
         {
             // services.AddScoped<StationManager>();
             // services.AddScoped<MeasurementsManager>();
         }*/
+        
+        private string GetEdgeDbConnStrByProjectName(string projectName, ILoggerFactory loggerFactory)
+        {
+            ILogger<Startup> logger = loggerFactory.CreateLogger<Startup>();
+            try
+            {
+                string projectCredentialsFile = GetEdgeDbProjectCredentialFile(projectName);
+                string content = File.ReadAllText(projectCredentialsFile);
+                EdgeDbProjectCredentials credentials = JsonConvert.DeserializeObject<EdgeDbProjectCredentials>(content);
+                //JsonSerializer.Deserialize<EdgeDbProjectCredentials>(content);
+                return string.Format(EdgeDbConnStrTemplate, credentials.User, credentials.Password, "localhost",
+                    credentials.Port,
+                    credentials.Database);
+            }
+            catch (Exception e)
+            {
+                logger.LogError($"An error occurred during attempt to build edgedb connection str: {e.Message}");
+                return string.Empty;
+            }
+        }
+
+        private string GetEdgeDbProjectCredentialFile(string projectName)
+        {
+            string projectCredentialsFile = string.Empty;
+            if (OperatingSystem.IsWindows())
+            {
+                // should be using ~AppData\Local\EdgeDB\config\credentials\{projectName}.json as a path
+                string appData = System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData);
+                projectCredentialsFile = Path.Combine(new string[]
+                {
+                    appData, 
+                    "EdgeDB", "config", "credentials", 
+                    projectName + ".json"
+                });
+            }
+
+            if (OperatingSystem.IsLinux())
+            {
+                // linux - /.config/edgedb/credentials/{projectName}.json relative to home dir
+                string home = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
+                projectCredentialsFile = Path.Combine(new string[]
+                {
+                    home, 
+                    ".config", "edgedb", "credentials", 
+                    projectName + ".json"
+                });
+            }
+
+            return projectCredentialsFile;
+        }
 
         public ApplicationSettings Settings { get; set; }
         private IConfiguration Configuration { get; }
         public IWebHostEnvironment Environment { get; }
+        
+        private const string EdgeDbConnStrTemplate = "edgedb://{0}:{1}@{2}:{3}/{4}";
     }
 }

WeatherControl/Wissance.WeatherControl.WebApi.V2/appsettings.Development.json

@@ -8,7 +8,7 @@
   },
   "Application": {
     "Database": {
-      "ConnStr": "edgedb://edgedb:VcJjK6blkKAV2MUTdJXzLPvS@localhost:10702/edgedb"
+      "ProjectName": "Wissance_WeatherControl_EdgeDb"
     }
   }
 }