110 lines
2.4 KiB
Go
110 lines
2.4 KiB
Go
package handlers
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import (
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"Portifolio/internal/model"
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"Portifolio/internal/service"
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"database/sql"
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"encoding/json"
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"net/http"
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"runtime"
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"time"
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_ "github.com/mattn/go-sqlite3"
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)
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var startTime = time.Now()
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func HealthHandler(db *sql.DB) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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health := checkHealth(db)
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if health["status"] != "ok" {
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w.WriteHeader(http.StatusServiceUnavailable)
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}
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json.NewEncoder(w).Encode(health)
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}
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}
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func checkHealth(db *sql.DB) map[string]any {
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// database
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dbStatus := "ok"
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dbLatency := ""
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t := time.Now()
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if err := db.Ping(); err != nil {
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dbStatus = "error: " + err.Error()
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} else {
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dbLatency = time.Since(t).String()
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}
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// db pool stats
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stats := db.Stats()
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// overall status
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status := "ok"
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if dbStatus != "ok" {
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status = "degraded"
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}
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var mem runtime.MemStats
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runtime.ReadMemStats(&mem)
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return map[string]any{
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"status": status,
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"uptime": time.Since(startTime).String(),
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"database": map[string]any{
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"status": dbStatus,
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"latency": dbLatency,
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"open_connections": stats.OpenConnections,
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"in_use": stats.InUse,
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"idle": stats.Idle,
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},
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"memory": map[string]any{
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"alloc_mb": bToMb(mem.Alloc),
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"sys_mb": bToMb(mem.Sys),
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"num_gc": mem.NumGC,
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},
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"go_version": runtime.Version(),
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"goroutines": runtime.NumGoroutine(),
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}
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}
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func bToMb(b uint64) float64 {
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return float64(b) / 1024 / 1024
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}
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func AddCompanyHandler(db *sql.DB) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var input model.CompanyInput
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if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
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http.Error(w, "invalid json", http.StatusBadRequest)
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return
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}
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id, err := service.InsertCompany(db, input)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusCreated)
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json.NewEncoder(w).Encode(map[string]any{"status": "created", "id": id})
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}
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}
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func GetCompaniesHandler(db *sql.DB) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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companies, err := service.GetAllCompanies(db)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(companies)
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}
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}
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