117 lines
3.1 KiB
Go
117 lines
3.1 KiB
Go
package main
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import (
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"context"
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"database/sql"
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"html/template"
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"net/http"
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"os"
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"github.com/gin-gonic/gin"
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_ "github.com/jackc/pgx/v5/stdlib"
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"github.com/pressly/goose/v3"
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"github.com/sirupsen/logrus"
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)
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// TemplateWrapper adapts html/template.Template to TemplateExecutor
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// (implements Execute(http.ResponseWriter, interface{}) error)
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type TemplateWrapper struct {
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Tmpl *template.Template
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}
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func (tw *TemplateWrapper) Execute(wr http.ResponseWriter, data interface{}) error {
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return tw.Tmpl.Execute(wr, data)
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}
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func main() {
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logrus.SetFormatter(&logrus.TextFormatter{FullTimestamp: true})
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logrus.SetLevel(logrus.InfoLevel)
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if err := loadConfig("config.yaml"); err != nil {
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logrus.Fatalf("Failed to load config.yaml: %v", err)
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}
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logrus.Infof("Loaded config: %+v", appConfig)
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visitDB := NewVisitDB()
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if err := loadUITemplate("ui.html"); err != nil {
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logrus.Fatalf("Failed to load ui.html: %v", err)
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}
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if err := loadDBEditTemplate("ui_dbedit.html"); err != nil {
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logrus.Fatalf("Failed to load ui_dbedit.html: %v", err)
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}
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if err := loadAdminChatsTemplate("ui_admin_chats.html"); err != nil {
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logrus.Fatalf("Failed to load ui_admin_chats.html: %v", err)
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}
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// Initialize PostgreSQL repository first
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dsn := buildDefaultDSN()
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logrus.Info("Connecting to PostgreSQL with DSN: ", dsn)
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// Run goose migrations using database/sql with pgx driver before initializing repository
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if dsn != "" {
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sqlDB, err := sql.Open("pgx", dsn)
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if err != nil {
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logrus.Fatalf("Failed to open database for migration: %v", err)
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}
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defer sqlDB.Close()
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goose.SetDialect("postgres")
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if err := goose.Up(sqlDB, "migrations"); err != nil {
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logrus.Fatalf("Goose migration failed: %v", err)
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}
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logrus.Info("Database migrations applied successfully (goose)")
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}
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repo, err := NewPGChatRepository(context.Background(), dsn)
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if err != nil {
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logrus.WithError(err).Warn("PostgreSQL repository disabled (connection failed)")
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} else if repo == nil {
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logrus.Info("PostgreSQL repository not configured (no DSN)")
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}
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// defer repo.Close() // optionally enable
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// Initialize LLM client
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llmClient := NewLLMClient(
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os.Getenv("OPENAI_API_KEY"),
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os.Getenv("OPENAI_BASE_URL"),
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os.Getenv("OPENAI_MODEL"),
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repo,
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)
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var llm LLMClientAPI = llmClient
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// Wrap templates for controller
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uiTmpl := &TemplateWrapper{Tmpl: uiTemplate}
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uiDBEditTmpl := &TemplateWrapper{Tmpl: uiDBEditTemplate}
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uiAdminChatsTmpl := &TemplateWrapper{Tmpl: uiAdminChatsTemplate}
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// Create controller
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ctrl := NewController(
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repo,
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llm,
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&visitDB,
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uiTmpl,
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uiDBEditTmpl,
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uiAdminChatsTmpl,
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)
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r := gin.Default()
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// Routes
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r.GET("/", ctrl.RootUI)
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r.GET("/health", ctrl.Health)
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r.POST("/chat", ctrl.HandleChat)
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r.GET("/admin", ctrl.AdminUI)
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r.GET("/db.yaml", ctrl.DownloadDB)
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// KnowledgeModel endpoints (replaces snapshot)
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r.POST("/admin/chats/snapshot", ctrl.SaveKnowledgeModel)
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r.GET("/admin/chats/snapshots", ctrl.ListKnowledgeModels)
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r.GET("/admin/chats/snapshot/:id", ctrl.GetKnowledgeModel)
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// Chat interactions and events
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r.GET("/admin/chats", ctrl.ListChatInteractions)
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r.GET("/admin/chats/events", ctrl.ListLLMEvents)
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r.GET("/admin/chats/ui", ctrl.AdminChatsUI)
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r.Run(":8080")
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}
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