enhancement: introduce theme processing (#9133)

* enhancement: introduce theme processing * enhancement: introduce theme processing * enhancement: add theme processing tests and changelog * Update services/web/pkg/config/config.go Co-authored-by: Michael Barz <michael.barz@zeitgestalten.eu> * fix: ci findings * Apply suggestions from code review Co-authored-by: Martin <github@diemattels.at> * enhancement: use the theme assets from web instead of having them inside the oCis repo (license clash Apache vs. AGPLv3) * fix: golangci tagalign order * fix: rename UnifiedRoleUploader to UnifiedRoleEditorLite * fix: some typos Co-authored-by: Michael Barz <michael.barz@zeitgestalten.eu> * enhancement: export supported theme logo upload filetypes * chore: bump reva * fix: allow init func --------- Co-authored-by: Michael Barz <michael.barz@zeitgestalten.eu> Co-authored-by: Martin <github@diemattels.at>
2024-05-29 15:48:49 +02:00
parent 80480cb7fa
commit eb7c36443f
34 changed files with 2040 additions and 287 deletions
@@ -0,0 +1,98 @@
+package theme
+
+import (
+	"bytes"
+	"encoding/json"
+
+	"dario.cat/mergo"
+	"github.com/spf13/afero"
+	"github.com/tidwall/sjson"
+)
+
+// KV is a generic key-value map.
+type KV map[string]any
+
+// MergeKV merges the given key-value maps.
+func MergeKV(values ...KV) (KV, error) {
+	var kv KV
+
+	for _, v := range values {
+		err := mergo.Merge(&kv, v, mergo.WithOverride)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return kv, nil
+}
+
+// PatchKV injects the given values into to v.
+func PatchKV(v any, values KV) error {
+	bv, err := json.Marshal(v)
+	if err != nil {
+		return err
+	}
+
+	nv := string(bv)
+
+	for k, val := range values {
+		var err error
+		switch val {
+		// if the value is nil, we delete the key
+		case nil:
+			nv, err = sjson.Delete(nv, k)
+		default:
+			nv, err = sjson.Set(nv, k, val)
+		}
+
+		if err != nil {
+			return err
+		}
+	}
+
+	return json.Unmarshal([]byte(nv), v)
+}
+
+// LoadKV loads a key-value map from the given file system.
+func LoadKV(fsys afero.Fs, p string) (KV, error) {
+	f, err := fsys.Open(p)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	var kv KV
+	err = json.NewDecoder(f).Decode(&kv)
+	if err != nil {
+		return nil, err
+	}
+
+	return kv, nil
+}
+
+// WriteKV writes the given key-value map to the file system.
+func WriteKV(fsys afero.Fs, p string, kv KV) error {
+	data, err := json.Marshal(kv)
+	if err != nil {
+		return err
+	}
+
+	return afero.WriteReader(fsys, p, bytes.NewReader(data))
+}
+
+// UpdateKV updates the key-value map at the given path with the given values.
+func UpdateKV(fsys afero.Fs, p string, values KV) error {
+	var kv KV
+
+	existing, err := LoadKV(fsys, p)
+	if err == nil {
+		kv = existing
+	}
+
+	err = PatchKV(&kv, values)
+	if err != nil {
+		return err
+	}
+
+	return WriteKV(fsys, p, kv)
+}