agola/internal/services/configstore/api/variable.go

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// Copyright 2019 Sorint.lab
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"encoding/json"
"net/http"
"github.com/sorintlab/agola/internal/db"
"github.com/sorintlab/agola/internal/services/configstore/action"
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"github.com/sorintlab/agola/internal/services/configstore/readdb"
"github.com/sorintlab/agola/internal/services/types"
"github.com/sorintlab/agola/internal/util"
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"github.com/gorilla/mux"
"go.uber.org/zap"
)
// Variable augments types.Variable with dynamic data
type Variable struct {
*types.Variable
// dynamic data
ParentPath string
}
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type VariablesHandler struct {
log *zap.SugaredLogger
readDB *readdb.ReadDB
}
func NewVariablesHandler(logger *zap.Logger, readDB *readdb.ReadDB) *VariablesHandler {
return &VariablesHandler{log: logger.Sugar(), readDB: readDB}
}
func (h *VariablesHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
query := r.URL.Query()
_, tree := query["tree"]
parentType, parentRef, err := GetConfigTypeRef(r)
if httpError(w, err) {
h.log.Errorf("err: %+v", err)
return
}
var variables []*types.Variable
err = h.readDB.Do(func(tx *db.Tx) error {
parentID, err := h.readDB.ResolveConfigID(tx, parentType, parentRef)
if err != nil {
return err
}
if tree {
variables, err = h.readDB.GetVariablesTree(tx, parentType, parentID)
} else {
variables, err = h.readDB.GetVariables(tx, parentID)
}
return err
})
if err != nil {
h.log.Errorf("err: %+v", err)
httpError(w, err)
return
}
resVariables := make([]*Variable, len(variables))
for i, v := range variables {
resVariables[i] = &Variable{Variable: v}
}
err = h.readDB.Do(func(tx *db.Tx) error {
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// populate parent path
for _, v := range resVariables {
pp, err := h.readDB.GetPath(tx, v.Parent.Type, v.Parent.ID)
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if err != nil {
return err
}
v.ParentPath = pp
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}
return err
})
if err != nil {
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h.log.Errorf("err: %+v", err)
httpError(w, err)
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return
}
if err := httpResponse(w, http.StatusOK, resVariables); err != nil {
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h.log.Errorf("err: %+v", err)
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}
}
type CreateVariableHandler struct {
log *zap.SugaredLogger
ah *action.ActionHandler
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readDB *readdb.ReadDB
}
func NewCreateVariableHandler(logger *zap.Logger, ah *action.ActionHandler) *CreateVariableHandler {
return &CreateVariableHandler{log: logger.Sugar(), ah: ah}
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}
func (h *CreateVariableHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
parentType, parentRef, err := GetConfigTypeRef(r)
if httpError(w, err) {
h.log.Errorf("err: %+v", err)
return
}
var variable *types.Variable
d := json.NewDecoder(r.Body)
if err := d.Decode(&variable); err != nil {
httpError(w, util.NewErrBadRequest(err))
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return
}
variable.Parent.Type = parentType
variable.Parent.ID = parentRef
variable, err = h.ah.CreateVariable(ctx, variable)
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if httpError(w, err) {
h.log.Errorf("err: %+v", err)
return
}
if err := httpResponse(w, http.StatusCreated, variable); err != nil {
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h.log.Errorf("err: %+v", err)
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}
}
type DeleteVariableHandler struct {
log *zap.SugaredLogger
ah *action.ActionHandler
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}
func NewDeleteVariableHandler(logger *zap.Logger, ah *action.ActionHandler) *DeleteVariableHandler {
return &DeleteVariableHandler{log: logger.Sugar(), ah: ah}
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}
func (h *DeleteVariableHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
vars := mux.Vars(r)
variableName := vars["variablename"]
parentType, parentRef, err := GetConfigTypeRef(r)
if httpError(w, err) {
h.log.Errorf("err: %+v", err)
return
}
err = h.ah.DeleteVariable(ctx, parentType, parentRef, variableName)
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if httpError(w, err) {
h.log.Errorf("err: %+v", err)
}
if err := httpResponse(w, http.StatusNoContent, nil); err != nil {
h.log.Errorf("err: %+v", err)
}
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}