Setup domain method to get ID by Project Name

bot/domain/youtrack.go

@@ -1,5 +1,7 @@
 package domain
 
+import "fmt"
+
 type Project struct {
 	ID        string `json:"id"`
 	ShortName string `json:"shortName"`
@@ -10,6 +12,23 @@ type ProjectID struct {
 	ID string `json:"id"`
 }
 
+// Find needed project.ID in the project's list
+func (plist *ProjectsList) FindProjectByName(searchName string) (string, error) {
+
+	projectID := ""
+
+	for _, elem := range plist.Projects {
+		if elem.ShortName == searchName {
+			projectID = elem.ID
+		}
+	}
+
+	if projectID == "" {
+		return "", fmt.Errorf("project %s doesn't exist", searchName)
+	}
+	return projectID, nil
+}
+
 type IssueCreateRequest struct {
 	ProjectID   ProjectID `json:"project"`
 	Key         string    `json:"idReadable"`
@@ -30,3 +49,7 @@ type CustomField struct {
 	Type  string `json:"$type"`
 	Value string `json:"value"`
 }
+
+type ProjectsList struct {
+	Projects []Project
+}