add(repository): discover repository informations

This implemtation determines the git remote origin url and extracts the
information for the owner and repo names for the api url's. WIP for #2.

internal/gitea/repository.go

@@ -1,6 +1,10 @@
 package gitea
 
-import "fmt"
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
 
 type Repository struct {
 	Id        uint
@@ -15,3 +19,21 @@ func NewRepository(name, owner string) (repo Repository) {
 	repo.Full_name = fmt.Sprintf("%s/%s", owner, name)
 	return
 }
+
+func (gitea *Gitea) VerifyRepository(repository Repository) (Repository, error) {
+	url := fmt.Sprintf("%s/repos/%s", gitea.Url(), repository.Full_name)
+	response, err := http.Get(url)
+	if err != nil {
+		return repository, err
+	}
+	defer response.Body.Close()
+	var data map[string]interface{}
+	decoder := json.NewDecoder(response.Body)
+	if err = decoder.Decode(&data); err != nil {
+		return repository, err
+	}
+	// extract the id value to the current repository
+	// NOTE: there may be other informations we also want to capture here as well
+	repository.Id = uint(data["id"].(float64))
+	return repository, nil
+}