/
main.go
102 lines (80 loc) · 1.82 KB
/
main.go
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package main
import (
"database/sql"
"encoding/json"
"log"
"net/http"
"os"
"github.com/gorilla/mux"
_ "github.com/mattn/go-sqlite3"
)
type Configuration struct {
ListenAddress string
}
type Employee struct {
ID int
Name string
Position string
}
var configuration = Configuration{}
var db *sql.DB
func findEmployeeByName(name string) ([]Employee, error) {
//rows, err := db.Query("SELECT * FROM employees WHERE name LIKE '%" + name + "%' ORDER BY id LIMIT 5")
query := "SELECT * FROM employees WHERE name LIKE '%" + name + "%' ORDER BY id LIMIT 5"
rows, err := db.Query(query)
if err != nil {
return nil, err
}
employees := make([]Employee, 0)
for rows.Next() {
var employee Employee
err = rows.Scan(&employee.ID, &employee.Name, &employee.Position)
if err != nil {
return nil, err
}
employees = append(employees, employee)
}
return employees, nil
}
func readConfig() {
file, _ := os.Open(os.Args[1])
defer file.Close()
decoder := json.NewDecoder(file)
err := decoder.Decode(&configuration)
if err != nil {
panic(err)
}
}
func initSlRsp(rsp http.ResponseWriter) {
rsp.Header().Add("Server", "employees")
}
func index(rsp http.ResponseWriter, req *http.Request) {
initSlRsp(rsp)
if req.Method == "OPTIONS" {
return
}
name := req.FormValue("name")
if name == "" {
RenderTemplate(rsp, "index.html", []Employee{})
return
}
employees, err := findEmployeeByName(name)
if err != nil {
http.Error(rsp, err.Error(), http.StatusInternalServerError)
return
}
RenderTemplate(rsp, "index.html", employees)
}
func main() {
readConfig()
var err error
db, err = sql.Open("sqlite3", os.Args[2])
if err != nil {
panic(err)
}
defer db.Close()
r := mux.NewRouter()
r.HandleFunc("/", index)
http.Handle("/", r)
log.Fatal(http.ListenAndServe(configuration.ListenAddress, nil))
}