final

2026-03-12 02:10:57 +01:00
parent a8e769c73d
commit 3c6dd52d8f
29 changed files with 3323 additions and 0 deletions
--- a/internal/infrastructure/api/client.go
+++ b/internal/infrastructure/api/client.go
@@ -0,0 +1,90 @@
+package api
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/paramah/ai_devs4/s01e02/internal/domain"
+)
+
+// Client implements domain.APIClient
+type Client struct {
+	locationsURL   string
+	accessLevelURL string
+	httpClient     *http.Client
+}
+
+// NewClient creates a new API client
+func NewClient(locationsURL, accessLevelURL string) *Client {
+	return &Client{
+		locationsURL:   locationsURL,
+		accessLevelURL: accessLevelURL,
+		httpClient:     &http.Client{},
+	}
+}
+
+// GetLocation sends a location request and returns the raw JSON response
+func (c *Client) GetLocation(ctx context.Context, req domain.LocationRequest) ([]byte, error) {
+	jsonData, err := json.Marshal(req)
+	if err != nil {
+		return nil, fmt.Errorf("marshaling request: %w", err)
+	}
+
+	httpReq, err := http.NewRequestWithContext(ctx, "POST", c.locationsURL, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+	httpReq.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.httpClient.Do(httpReq)
+	if err != nil {
+		return nil, fmt.Errorf("sending request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("reading response: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status code: %d, body: %s", resp.StatusCode, string(body))
+	}
+
+	return body, nil
+}
+
+// GetAccessLevel sends an access level request and returns the raw JSON response
+func (c *Client) GetAccessLevel(ctx context.Context, req domain.AccessLevelRequest) ([]byte, error) {
+	jsonData, err := json.Marshal(req)
+	if err != nil {
+		return nil, fmt.Errorf("marshaling request: %w", err)
+	}
+
+	httpReq, err := http.NewRequestWithContext(ctx, "POST", c.accessLevelURL, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+	httpReq.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.httpClient.Do(httpReq)
+	if err != nil {
+		return nil, fmt.Errorf("sending request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("reading response: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status code: %d, body: %s", resp.StatusCode, string(body))
+	}
+
+	return body, nil
+}
--- a/internal/infrastructure/json/location_repository.go
+++ b/internal/infrastructure/json/location_repository.go
@@ -0,0 +1,59 @@
+package json
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/paramah/ai_devs4/s01e02/internal/domain"
+)
+
+// LocationRepository implements domain.LocationRepository
+type LocationRepository struct {
+	baseURL string
+	client  *http.Client
+}
+
+// NewLocationRepository creates a new location repository
+func NewLocationRepository(baseURL string) *LocationRepository {
+	return &LocationRepository{
+		baseURL: baseURL,
+		client:  &http.Client{},
+	}
+}
+
+// LoadLocations loads locations from the API
+func (r *LocationRepository) LoadLocations(ctx context.Context, apiKey string) ([]domain.Location, error) {
+	url := fmt.Sprintf("%s/data/%s/findhim_locations.json", r.baseURL, apiKey)
+
+	req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+
+	resp, err := r.client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("fetching locations: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(resp.Body)
+		return nil, fmt.Errorf("unexpected status code: %d, body: %s", resp.StatusCode, string(body))
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("reading response: %w", err)
+	}
+
+	var plantsData domain.PowerPlantsData
+	if err := json.Unmarshal(body, &plantsData); err != nil {
+		return nil, fmt.Errorf("parsing JSON: %w", err)
+	}
+
+	locations := plantsData.ToLocations()
+	return locations, nil
+}
--- a/internal/infrastructure/json/repository.go
+++ b/internal/infrastructure/json/repository.go
@@ -0,0 +1,33 @@
+package json
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/paramah/ai_devs4/s01e02/internal/domain"
+)
+
+// Repository implements domain.PersonRepository
+type Repository struct{}
+
+// NewRepository creates a new JSON repository
+func NewRepository() *Repository {
+	return &Repository{}
+}
+
+// LoadPersons loads persons from a JSON file
+func (r *Repository) LoadPersons(ctx context.Context, filePath string) ([]domain.Person, error) {
+	data, err := os.ReadFile(filePath)
+	if err != nil {
+		return nil, fmt.Errorf("reading file: %w", err)
+	}
+
+	var persons []domain.Person
+	if err := json.Unmarshal(data, &persons); err != nil {
+		return nil, fmt.Errorf("parsing JSON: %w", err)
+	}
+
+	return persons, nil
+}
--- a/internal/infrastructure/llm/lmstudio.go
+++ b/internal/infrastructure/llm/lmstudio.go
@@ -0,0 +1,123 @@
+package llm
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/paramah/ai_devs4/s01e02/internal/domain"
+)
+
+// LMStudioProvider implements domain.LLMProvider for local LM Studio
+type LMStudioProvider struct {
+	baseURL string
+	model   string
+	client  *http.Client
+}
+
+// NewLMStudioProvider creates a new LM Studio provider
+func NewLMStudioProvider(baseURL, model string) *LMStudioProvider {
+	return &LMStudioProvider{
+		baseURL: baseURL,
+		model:   model,
+		client:  &http.Client{},
+	}
+}
+
+type lmStudioRequest struct {
+	Model       string              `json:"model"`
+	Messages    []domain.LLMMessage `json:"messages"`
+	Tools       []domain.Tool       `json:"tools,omitempty"`
+	ToolChoice  interface{}         `json:"tool_choice,omitempty"`
+	Temperature float64             `json:"temperature,omitempty"`
+}
+
+type lmStudioResponse struct {
+	Choices []struct {
+		Message      domain.LLMMessage `json:"message"`
+		FinishReason string            `json:"finish_reason"`
+	} `json:"choices"`
+	Error json.RawMessage `json:"error,omitempty"`
+}
+
+// Chat sends a chat request with function calling support
+func (p *LMStudioProvider) Chat(ctx context.Context, request domain.LLMRequest) (*domain.LLMResponse, error) {
+	reqBody := lmStudioRequest{
+		Model:       p.model,
+		Messages:    request.Messages,
+		Tools:       request.Tools,
+		Temperature: request.Temperature,
+	}
+
+	if request.ToolChoice != "" {
+		if request.ToolChoice == "auto" {
+			reqBody.ToolChoice = "auto"
+		} else {
+			reqBody.ToolChoice = map[string]interface{}{
+				"type": "function",
+				"function": map[string]string{
+					"name": request.ToolChoice,
+				},
+			}
+		}
+	}
+
+	jsonData, err := json.Marshal(reqBody)
+	if err != nil {
+		return nil, fmt.Errorf("marshaling request: %w", err)
+	}
+
+	url := p.baseURL + "/v1/chat/completions"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := p.client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("sending request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("reading response: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("HTTP %d: %s", resp.StatusCode, string(body))
+	}
+
+	var apiResp lmStudioResponse
+	if err := json.Unmarshal(body, &apiResp); err != nil {
+		return nil, fmt.Errorf("unmarshaling response: %w\nResponse body: %s", err, string(body))
+	}
+
+	if len(apiResp.Error) > 0 {
+		var errStr string
+		if err := json.Unmarshal(apiResp.Error, &errStr); err == nil {
+			return nil, fmt.Errorf("API error: %s", errStr)
+		}
+		var errObj struct {
+			Message string `json:"message"`
+		}
+		if err := json.Unmarshal(apiResp.Error, &errObj); err == nil {
+			return nil, fmt.Errorf("API error: %s", errObj.Message)
+		}
+		return nil, fmt.Errorf("API error: %s", string(apiResp.Error))
+	}
+
+	if len(apiResp.Choices) == 0 {
+		return nil, fmt.Errorf("no choices in response. Response body: %s", string(body))
+	}
+
+	return &domain.LLMResponse{
+		Message:      apiResp.Choices[0].Message,
+		FinishReason: apiResp.Choices[0].FinishReason,
+	}, nil
+}
--- a/internal/infrastructure/llm/openrouter.go
+++ b/internal/infrastructure/llm/openrouter.go
@@ -0,0 +1,113 @@
+package llm
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/paramah/ai_devs4/s01e02/internal/domain"
+)
+
+// OpenRouterProvider implements domain.LLMProvider for OpenRouter API
+type OpenRouterProvider struct {
+	apiKey  string
+	model   string
+	baseURL string
+	client  *http.Client
+}
+
+// NewOpenRouterProvider creates a new OpenRouter provider
+func NewOpenRouterProvider(apiKey, model string) *OpenRouterProvider {
+	return &OpenRouterProvider{
+		apiKey:  apiKey,
+		model:   model,
+		baseURL: "https://openrouter.ai/api/v1/chat/completions",
+		client:  &http.Client{},
+	}
+}
+
+type openRouterRequest struct {
+	Model       string               `json:"model"`
+	Messages    []domain.LLMMessage  `json:"messages"`
+	Tools       []domain.Tool        `json:"tools,omitempty"`
+	ToolChoice  interface{}          `json:"tool_choice,omitempty"`
+	Temperature float64              `json:"temperature,omitempty"`
+}
+
+type openRouterResponse struct {
+	Choices []struct {
+		Message      domain.LLMMessage `json:"message"`
+		FinishReason string            `json:"finish_reason"`
+	} `json:"choices"`
+	Error *struct {
+		Message string `json:"message"`
+	} `json:"error,omitempty"`
+}
+
+// Chat sends a chat request with function calling support
+func (p *OpenRouterProvider) Chat(ctx context.Context, request domain.LLMRequest) (*domain.LLMResponse, error) {
+	reqBody := openRouterRequest{
+		Model:       p.model,
+		Messages:    request.Messages,
+		Tools:       request.Tools,
+		Temperature: request.Temperature,
+	}
+
+	if request.ToolChoice != "" {
+		if request.ToolChoice == "auto" {
+			reqBody.ToolChoice = "auto"
+		} else {
+			reqBody.ToolChoice = map[string]interface{}{
+				"type": "function",
+				"function": map[string]string{
+					"name": request.ToolChoice,
+				},
+			}
+		}
+	}
+
+	jsonData, err := json.Marshal(reqBody)
+	if err != nil {
+		return nil, fmt.Errorf("marshaling request: %w", err)
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, p.baseURL, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return nil, fmt.Errorf("creating request: %w", err)
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Authorization", "Bearer "+p.apiKey)
+
+	resp, err := p.client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("sending request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("reading response: %w", err)
+	}
+
+	var apiResp openRouterResponse
+	if err := json.Unmarshal(body, &apiResp); err != nil {
+		return nil, fmt.Errorf("unmarshaling response: %w", err)
+	}
+
+	if apiResp.Error != nil {
+		return nil, fmt.Errorf("API error: %s", apiResp.Error.Message)
+	}
+
+	if len(apiResp.Choices) == 0 {
+		return nil, fmt.Errorf("no choices in response")
+	}
+
+	return &domain.LLMResponse{
+		Message:      apiResp.Choices[0].Message,
+		FinishReason: apiResp.Choices[0].FinishReason,
+	}, nil
+}