Access repos by their ids (#1691)

closes #1295 
closes #648

# TODO
- [x] add new routes with `:repoID`
- [x] load repo in middleware using `:repoID` if present
- [x] update UI routes `:owner/:name` to `:repoID`
- [x] load repos using id in UI
- [x] add lookup endpoint `:owner/:name` to `:repoID`
- [x] redirect `:owner/:name` to `:repoID` in UI
- [x] use badge with `:repoID` route in UI
- [x] update `woodpecker-go`
- [x] check cli
- [x] add migrations / deprecation notes
- [x] check if #648 got solved directly
- [x] Test
  - [x] create repo
  - [x] repo pages
  - [x] ui redirects
  - [x] forge status links

cli/internal/util.go

@@ -5,6 +5,7 @@ import (
 	"crypto/x509"
 	"fmt"
 	"net/http"
+	"strconv"
 	"strings"
 
 	"github.com/rs/zerolog/log"
@@ -76,15 +77,16 @@ func NewClient(c *cli.Context) (woodpecker.Client, error) {
 }
 
 // ParseRepo parses the repository owner and name from a string.
-func ParseRepo(str string) (user, repo string, err error) {
-	parts := strings.Split(str, "/")
-	if len(parts) != 2 {
-		err = fmt.Errorf("Error: Invalid or missing repository. eg octocat/hello-world")
-		return
+func ParseRepo(client woodpecker.Client, str string) (repoID int64, err error) {
+	if strings.Contains(str, "/") {
+		repo, err := client.RepoLookup(str)
+		if err != nil {
+			return 0, err
+		}
+		return repo.ID, nil
 	}
-	user = parts[0]
-	repo = parts[1]
-	return
+
+	return strconv.ParseInt(str, 10, 64)
 }
 
 // ParseKeyPair parses a key=value pair.