Set up ai reminder

blotztask-api/BlotzTask.csproj

@@ -1,39 +1,39 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
-  <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
-  </PropertyGroup>
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+    </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Azure.AI.OpenAI" Version="2.2.0-beta.4" />
-    <PackageReference Include="Azure.Identity" Version="1.13.2" />
-    <PackageReference Include="Azure.Monitor.OpenTelemetry.AspNetCore" Version="1.2.0" />
-    <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.7.0" />
-    <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.22.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.19" />
-    <PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.2.0" />
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Common" Version="8.0.7" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.10">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.10" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.10">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.0-preview.1.25080.5" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.AzureKeyVault" Version="3.1.24" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0-preview.1.25080.5" />
-    <PackageReference Include="Microsoft.SemanticKernel" Version="1.48.0" />
-    <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
-    <PackageReference Include="Serilog.Sinks.ApplicationInsights" Version="4.0.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.9.0" />
-  </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="Azure.AI.OpenAI" Version="2.2.0-beta.4"/>
+        <PackageReference Include="Azure.Identity" Version="1.13.2"/>
+        <PackageReference Include="Azure.Monitor.OpenTelemetry.AspNetCore" Version="1.2.0"/>
+        <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.7.0"/>
+        <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.22.0"/>
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.19"/>
+        <PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.2.0"/>
+        <PackageReference Include="Microsoft.AspNetCore.SignalR.Common" Version="8.0.7"/>
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.10">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.10"/>
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.10">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.0-preview.1.25080.5"/>
+        <PackageReference Include="Microsoft.Extensions.Configuration.AzureKeyVault" Version="3.1.24"/>
+        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0-preview.1.25080.5"/>
+        <PackageReference Include="Microsoft.SemanticKernel" Version="1.48.0"/>
+        <PackageReference Include="Serilog.AspNetCore" Version="9.0.0"/>
+        <PackageReference Include="Serilog.Sinks.ApplicationInsights" Version="4.0.0"/>
+        <PackageReference Include="Swashbuckle.AspNetCore" Version="6.9.0"/>
+    </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Modules\ChatTaskGenerator\Plugins\" />
-  </ItemGroup>
+    <ItemGroup>
+        <Folder Include="Modules\ChatTaskGenerator\Plugins\"/>
+    </ItemGroup>
 </Project>

blotztask-api/Modules/ChatTaskGenerator/Services/AiTaskGenerateService.cs

@@ -122,14 +122,7 @@ CancellationToken ct
                 extractTasksFunction.Name
             );
 
-            // Log additional debug information
-            _logger.LogDebug(
-                "Function details - Plugin: {PluginName}, Function: {FunctionName}, " +
-                "Execution Settings: {ExecutionSettings}",
-                extractTasksFunction.PluginName,
-                extractTasksFunction.Name,
-                JsonSerializer.Serialize(executionSettings)
-            );
+
 
             // Log the last user message for context
             var lastUserMessage = tempHistory.LastOrDefault(m => m.Role == AuthorRole.User);

blotztask-api/Modules/DailyReminderGenerator/Controllers/AiReminderController.cs

@@ -0,0 +1,35 @@
+using BlotzTask.Modules.DailyReminderGenerator.Dtos;
+using BlotzTask.Modules.DailyReminderGenerator.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace BlotzTask.Modules.DailyReminderGenerator.Controllers;
+
+[ApiController]
+[Route("/api/[controller]")]
+[Authorize]
+public class AiReminderController : ControllerBase
+{
+    private readonly AiReminderService _aiReminderService;
+
+    public AiReminderController(AiReminderService aiReminderService)
+    {
+        _aiReminderService = aiReminderService;
+    }
+
+    [HttpGet("today")]
+    [ProducesResponseType(typeof(ReminderResult), 200)]
+    [ProducesResponseType(204)]
+    [ProducesResponseType(401)]
+    public async Task<IActionResult> GetTodayReminder(CancellationToken ct)
+    {
+        if (!HttpContext.Items.TryGetValue("UserId", out var userIdObj) || userIdObj is not Guid userId)
+            return Unauthorized();
+
+        var reminder = await _aiReminderService.GenerateReminderForTodayAsync(userId, ct);
+
+        if (reminder is null) return NoContent();
+
+        return Ok(reminder);
+    }
+}

blotztask-api/Modules/DailyReminderGenerator/Dtos/ReminderResult.cs

@@ -0,0 +1,8 @@
+namespace BlotzTask.Modules.DailyReminderGenerator.Dtos;
+
+public class ReminderResult
+{
+    public int? TaskId { get; set; }
+    public string? ReminderText { get; set; }
+    public double? ConfidenceScore { get; set; }
+}

blotztask-api/Modules/DailyReminderGenerator/Dtos/TodayTaskItemDto.cs

@@ -0,0 +1,16 @@
+using BlotzTask.Modules.Labels.DTOs;
+using BlotzTask.Modules.Tasks.Enums;
+
+namespace BlotzTask.Modules.DailyReminderGenerator.Dtos;
+
+public class TodayTaskItemDto
+{
+    public int Id { get; set; }
+    public required string Title { get; set; }
+    public string? Description { get; set; }
+    public DateTimeOffset? StartTime { get; set; }
+    public DateTimeOffset? EndTime { get; set; }
+    public bool IsDone { get; set; }
+    public LabelDto? Label { get; set; }
+    public TaskTimeType? TimeType { get; set; }
+}

blotztask-api/Modules/DailyReminderGenerator/Plugins/ReminderGenerationPlugin.cs

@@ -0,0 +1,20 @@
+using System.ComponentModel;
+using BlotzTask.Modules.DailyReminderGenerator.Dtos;
+using Microsoft.SemanticKernel;
+
+namespace BlotzTask.Modules.DailyReminderGenerator.Plugins;
+
+public class ReminderGenerationPlugin
+{
+    [KernelFunction]
+    [Description(
+        "Selects the single most important task from a list of today's tasks and generates a short, friendly reminding message."
+    )]
+    public ReminderResult GenerateReminder(
+        [Description("The JSON array of today's tasks with Id, Title, Description, StartTime, EndTime, TimeType")]
+        string tasksJson
+    )
+    {
+        return new ReminderResult();
+    }
+}

blotztask-api/Modules/DailyReminderGenerator/Prompt/AiReminderPrompts.cs

@@ -0,0 +1,25 @@
+namespace BlotzTask.Modules.DailyReminderGenerator.Prompt;
+
+public class AiReminderPrompts
+{
+    public static string ReminderGenerationSystemMessage(DateTime currentTime)
+    {
+        return $$$"""
+                  You are a helpful assistant that picks exactly ONE most important task for {{{currentTime:yyyy-MM-dd}}}
+                  from the user's task list and writes a short, friendly tip.
+
+                  Rules:
+                  - Consider deadlines (EndTime, StartTime).
+                  - Prefer tasks due today or blocking others. Ignore completed tasks.
+                  - If tasks are vague/unrecognizable, return taskId = null.
+                  - Output STRICT JSON only:
+                  {
+                    "taskId": "<int or null>",
+                    "reminderText": "<<=140 chars>",
+                    "confidence": 0..1
+                  }
+                  - Tip tone: warm, concise, motivating.
+                  Example: "Heads up! It’s rent day today—time to keep the landlord happy."
+                  """;
+    }
+}

blotztask-api/Modules/DailyReminderGenerator/Services/AiReminderService.cs

@@ -0,0 +1,112 @@
+using System.Text.Json;
+using BlotzTask.Modules.DailyReminderGenerator.Dtos;
+using BlotzTask.Modules.DailyReminderGenerator.Prompt;
+using BlotzTask.Modules.Tasks.Queries.Tasks;
+using Microsoft.SemanticKernel;
+using Microsoft.SemanticKernel.ChatCompletion;
+
+namespace BlotzTask.Modules.DailyReminderGenerator.Services;
+
+public class AiReminderService
+{
+    private readonly IChatCompletionService _chatCompletionService;
+    private readonly GetTasksByDateQueryHandler _getTasksByDate;
+    private readonly Kernel _kernel;
+    private readonly ILogger<AiReminderService> _logger;
+
+    public AiReminderService(
+        Kernel kernel,
+        IChatCompletionService chatCompletionService,
+        ILogger<AiReminderService> logger,
+        GetTasksByDateQueryHandler getTasksByDateQueryHandler)
+    {
+        _kernel = kernel;
+        _chatCompletionService = chatCompletionService;
+        _logger = logger;
+        _getTasksByDate = getTasksByDateQueryHandler;
+    }
+
+    public async Task<ReminderResult?> GenerateReminderForTodayAsync(Guid userId, CancellationToken ct = default)
+    {
+        var query = new GetTasksByDateQuery
+        {
+            UserId = userId,
+            StartDateUtc = DateTimeOffset.UtcNow.Date,
+            IncludeFloatingForToday = true
+        };
+        var todayTasks = (await _getTasksByDate.Handle(query, ct)).ToList();
+        _logger.LogInformation("Fetched {TotalTasks} tasks for today (including floating).", todayTasks.Count);
+
+        var todoTasks = todayTasks
+            .Where(t => !t.IsDone)
+            .ToList();
+
+        _logger.LogInformation("Fetched {TotalTasks} todo tasks for today (including floating).", todoTasks.Count);
+
+        if (todoTasks.Count == 0) return null;
+
+        var tasksJson = JsonSerializer.Serialize(new
+        {
+            todayUtc = DateTimeOffset.UtcNow,
+            tasks = todoTasks
+        });
+        _logger.LogInformation(
+            "Prepared tasks JSON for model. JsonLength={JsonLength}",
+            tasksJson.Length);
+
+
+        var history = new ChatHistory();
+        history.AddSystemMessage(AiReminderPrompts.ReminderGenerationSystemMessage(DateTimeOffset.UtcNow.UtcDateTime));
+
+        history.AddUserMessage(tasksJson);
+
+        var generateReminderFunction = _kernel.Plugins["ReminderGenerationPlugin"]["GenerateReminder"];
+        var reminderSettings = new PromptExecutionSettings
+        {
+            FunctionChoiceBehavior = FunctionChoiceBehavior.Required(
+                new[] { generateReminderFunction }
+            )
+        };
+
+        _logger.LogDebug(
+            "Invoking SK function. Plugin={Plugin}, Function={Function}, Settings={Settings}",
+            generateReminderFunction.PluginName,
+            generateReminderFunction.Name,
+            JsonSerializer.Serialize(reminderSettings));
+
+        try
+        {
+            var reminderResult = await _chatCompletionService.GetChatMessageContentsAsync(
+                history,
+                reminderSettings,
+                _kernel,
+                ct
+            );
+
+            var content = reminderResult.LastOrDefault()?.Content;
+            if (string.IsNullOrWhiteSpace(content))
+            {
+                _logger.LogWarning("Model returned empty content. Returning null (HTTP 204).");
+                return null;
+            }
+
+            var reminder = JsonSerializer.Deserialize<ReminderResult>(content!,
+                new JsonSerializerOptions { PropertyNameCaseInsensitive = true });
+            if (reminder?.TaskId is null || string.IsNullOrWhiteSpace(reminder.ReminderText))
+            {
+                _logger.LogWarning("Reminder missing required fields. TaskId={TaskId}, HasText={HasText}",
+                    reminder?.TaskId, !string.IsNullOrWhiteSpace(reminder?.ReminderText));
+                return null;
+            }
+
+            if (!todoTasks.Any(t => t.Id == reminder.TaskId.Value)) return null;
+
+            return reminder;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "GenerateReminderForTodayAsync failed.");
+            return null;
+        }
+    }
+}