admin: display file dependancies and be able to remove them

admin/api/file.go

@@ -3,6 +3,8 @@ package api
 import (
 	"encoding/hex"
 	"encoding/json"
+	"errors"
+	"fmt"
 
 	"srs.epita.fr/fic-server/admin/sync"
 	"srs.epita.fr/fic-server/libfic"
@@ -18,6 +20,8 @@ func init() {
 	router.PUT("/api/files/:fileid", apiHandler(fileHandler(updateFile)))
 	router.DELETE("/api/files/:fileid", apiHandler(fileHandler(deleteFile)))
 
+	router.DELETE("/api/files/:fileid/dependancies/:depid", apiHandler(fileDependancyHandler(deleteFileDep)))
+
 	router.GET("/api/exercices/:eid/files", apiHandler(exerciceHandler(listExerciceFiles)))
 	router.POST("/api/exercices/:eid/files", apiHandler(exerciceHandler(createExerciceFile)))
 
@@ -35,13 +39,51 @@ func init() {
 		})))
 }
 
+type APIFile struct {
+	fic.EFile
+	Depends []fic.Flag `json:"depends,omitempty"`
+}
+
+func genFileList(in []fic.EFile, e error) (out []APIFile, err error) {
+	if e != nil {
+		return nil, e
+	}
+
+	for _, f := range in {
+		g := APIFile{EFile: f}
+
+		var deps []fic.Flag
+		deps, err = f.GetDepends()
+		if err != nil {
+			return
+		}
+
+		for _, d := range deps {
+			if k, ok := d.(fic.FlagKey); ok {
+				k, err = fic.GetFlagKey(k.Id)
+				if err != nil {
+					return
+				}
+
+				g.Depends = append(g.Depends, k)
+			} else {
+				err = errors.New(fmt.Sprintf("Unknown type %T to handle file dependancy", k))
+				return
+			}
+		}
+
+		out = append(out, g)
+	}
+
+	return
+}
+
 func listFiles(_ httprouter.Params, body []byte) (interface{}, error) {
-	// List all files
-	return fic.GetFiles()
+	return genFileList(fic.GetFiles())
 }
 
 func listExerciceFiles(exercice fic.Exercice, body []byte) (interface{}, error) {
-	return exercice.GetFiles()
+	return genFileList(exercice.GetFiles())
 }
 
 func clearFiles(_ httprouter.Params, _ []byte) (interface{}, error) {
@@ -92,6 +134,10 @@ func deleteFile(file fic.EFile, _ []byte) (interface{}, error) {
 	return file.Delete()
 }
 
+func deleteFileDep(file fic.EFile, depid int64, _ []byte) (interface{}, error) {
+	return true, file.DeleteDepend(fic.FlagKey{Id: depid})
+}
+
 func checkFile(file fic.EFile, _ []byte)  (interface{}, error) {
 	return true, file.CheckFileOnDisk()
 }

admin/api/handlers.go

@@ -316,6 +316,18 @@ func fileHandler(f func(fic.EFile, []byte) (interface{}, error)) func(httprouter
 	}
 }
 
+func fileDependancyHandler(f func(fic.EFile, int64, []byte) (interface{}, error)) func(httprouter.Params, []byte) (interface{}, error) {
+	return func(ps httprouter.Params, body []byte) (interface{}, error) {
+		if depid, err := strconv.ParseInt(string(ps.ByName("depid")), 10, 64); err != nil {
+			return nil, err
+		} else {
+			return fileHandler(func(file fic.EFile, b []byte) (interface{}, error) {
+				return f(file, depid, b)
+			})(ps, body)
+		}
+	}
+}
+
 func certificateHandler(f func(fic.Certificate, []byte) (interface{}, error)) func(httprouter.Params, []byte) (interface{}, error) {
 	return func(ps httprouter.Params, body []byte) (interface{}, error) {
 		if certid, err := strconv.ParseUint(strings.TrimSuffix(string(ps.ByName("certid")), ".p12"), 10, 64); err != nil {