Fix for #9

Add initialisation code for the database tables

Author: GetPsyched

internal/database/init.go

@@ -0,0 +1,30 @@
+package database
+
+import (
+	"database/sql"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func Init(db *sql.DB) {
+	filenames := []string{"student", "faculty", "guild", "group", "course"}
+	script := []string{}
+	for _, filename := range filenames {
+		// Read PostgreSQL script
+		path := filepath.Join("sql", "schemas", filename+".sql")
+		file, ioErr := os.ReadFile(path)
+		if ioErr != nil {
+			log.Fatalln(ioErr)
+		}
+
+		// Execute PostgreSQL script
+		script = append(script, string(file))
+	}
+
+	_, err := db.Exec(strings.Join(script, "\n"))
+	if err != nil {
+		log.Fatalln(err)
+	}
+}

server.go

@@ -7,6 +7,7 @@ import (
 	"os"
 
 	h "nkssbackend/handlers"
+	"nkssbackend/internal/database"
 	m "nkssbackend/middleware"
 
 	"github.com/gorilla/mux"
@@ -24,6 +25,8 @@ func NewServer() *server {
 	if err != nil {
 		log.Fatalln(err)
 	}
+	// !TODO: Make separate interface to initialise database
+	database.Init(db)
 
 	s := server{db: db, router: mux.NewRouter().StrictSlash(true)}
 	s.setRouters()