accounting/pkg/api/transaction.go
Knut Ahlers 668a9960b8
Lint: Update linter config, fix linter errors
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2024-07-23 18:34:58 +02:00

244 lines
6.1 KiB
Go

package api
import (
"bytes"
"encoding/json"
"errors"
"io"
"net/http"
"time"
"git.luzifer.io/luzifer/accounting/pkg/database"
"github.com/google/uuid"
"github.com/gorilla/mux"
jsonpatch "gopkg.in/evanphx/json-patch.v5"
"gorm.io/gorm"
)
func (a apiServer) handleCreateTransaction(w http.ResponseWriter, r *http.Request) {
var payload database.Transaction
if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
a.errorResponse(w, err, "parsing body", http.StatusBadRequest)
return
}
if payload.ID != uuid.Nil {
a.errorResponse(w, errors.New("transaction id must be unset"), "validating request", http.StatusBadRequest)
return
}
tx, err := a.dbc.CreateTransaction(payload)
if err != nil {
a.errorResponse(w, err, "creating transaction", http.StatusInternalServerError)
return
}
u, err := a.router.Get("GetTransactionByID").URL("id", tx.ID.String())
if err != nil {
a.errorResponse(w, err, "getting redirect url", http.StatusInternalServerError)
return
}
http.Redirect(w, r, u.String(), http.StatusFound)
}
func (a apiServer) handleDeleteTransaction(w http.ResponseWriter, r *http.Request) {
txid, err := uuid.Parse(mux.Vars(r)["id"])
if err != nil {
a.errorResponse(w, err, "parsing id", http.StatusBadRequest)
return
}
if err = a.dbc.DeleteTransaction(txid); err != nil {
a.errorResponse(w, err, "deleting transaction", http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
func (a apiServer) handleGetTransactionByID(w http.ResponseWriter, r *http.Request) {
txid, err := uuid.Parse(mux.Vars(r)["id"])
if err != nil {
a.errorResponse(w, err, "parsing id", http.StatusBadRequest)
return
}
tx, err := a.dbc.GetTransactionByID(txid)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
a.errorResponse(w, err, "getting transaction", http.StatusNotFound)
return
}
a.errorResponse(w, err, "getting transaction", http.StatusInternalServerError)
return
}
a.jsonResponse(w, http.StatusOK, tx)
}
func (a apiServer) handleListTransactions(w http.ResponseWriter, r *http.Request) {
var (
since time.Time
until = time.Now()
)
if v, err := time.Parse(time.RFC3339, r.URL.Query().Get("since")); err == nil {
since = v
}
if v, err := time.Parse(time.RFC3339, r.URL.Query().Get("until")); err == nil {
until = v
}
txs, err := a.dbc.ListTransactions(since, until)
if err != nil {
a.errorResponse(w, err, "getting transactions", http.StatusInternalServerError)
return
}
a.jsonResponse(w, http.StatusOK, txs)
}
func (a apiServer) handleListTransactionsByAccount(w http.ResponseWriter, r *http.Request) {
accid, err := uuid.Parse(mux.Vars(r)["id"])
if err != nil {
a.errorResponse(w, err, "parsing id", http.StatusBadRequest)
return
}
var (
since time.Time
until = time.Now()
)
if v, err := time.Parse(time.RFC3339, r.URL.Query().Get("since")); err == nil {
since = v
}
if v, err := time.Parse(time.RFC3339, r.URL.Query().Get("until")); err == nil {
until = v
}
txs, err := a.dbc.ListTransactionsByAccount(accid, since, until)
if err != nil {
a.errorResponse(w, err, "getting transactions", http.StatusInternalServerError)
return
}
a.jsonResponse(w, http.StatusOK, txs)
}
func (a apiServer) handleOverwriteTransaction(w http.ResponseWriter, r *http.Request) {
var (
tx database.Transaction
txID uuid.UUID
err error
)
if txID, err = uuid.Parse(mux.Vars(r)["id"]); err != nil {
a.errorResponse(w, err, "parsing id", http.StatusBadRequest)
return
}
if err = json.NewDecoder(r.Body).Decode(&tx); err != nil {
a.errorResponse(w, err, "parsing body", http.StatusBadRequest)
return
}
if err = a.dbc.UpdateTransaction(txID, tx); err != nil {
a.errorResponse(w, err, "updating transaction", http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
func (a apiServer) handleUpdateTransaction(w http.ResponseWriter, r *http.Request) {
var (
txID uuid.UUID
err error
)
if txID, err = uuid.Parse(mux.Vars(r)["id"]); err != nil {
a.errorResponse(w, err, "parsing id", http.StatusBadRequest)
return
}
if r.URL.Query().Has("cleared") {
if err = a.dbc.UpdateTransactionCleared(txID, r.URL.Query().Get("cleared") == "true"); err != nil {
a.errorResponse(w, err, "updating transaction cleared", http.StatusInternalServerError)
return
}
}
if r.URL.Query().Has("category") {
cat, err := uuid.Parse(r.URL.Query().Get("category"))
if err != nil {
a.errorResponse(w, err, "parsing category id", http.StatusBadRequest)
return
}
if err = a.dbc.UpdateTransactionCategory(txID, cat); err != nil {
a.errorResponse(w, err, "updating transaction category", http.StatusInternalServerError)
return
}
}
a.handleTransactionJSONPatch(txID, w, r)
}
func (a apiServer) handleTransactionJSONPatch(txID uuid.UUID, w http.ResponseWriter, r *http.Request) {
var (
err error
reqBody = new(bytes.Buffer)
)
if _, err = io.Copy(reqBody, r.Body); err != nil {
a.errorResponse(w, err, "reading request body", http.StatusBadRequest)
return
}
if reqBody.Len() < 2 { //nolint:mnd
w.WriteHeader(http.StatusNoContent)
return
}
var patch jsonpatch.Patch
if err = json.NewDecoder(reqBody).Decode(&patch); err != nil {
a.errorResponse(w, err, "parsing json-patch body", http.StatusBadRequest)
return
}
if len(patch) == 0 {
w.WriteHeader(http.StatusNoContent)
return
}
tx, err := a.dbc.GetTransactionByID(txID)
if err != nil {
a.errorResponse(w, err, "getting transaction", http.StatusInternalServerError)
return
}
txdoc, err := json.Marshal(tx)
if err != nil {
a.errorResponse(w, err, "marshalling transaction", http.StatusInternalServerError)
return
}
if txdoc, err = patch.Apply(txdoc); err != nil {
a.errorResponse(w, err, "applying patch", http.StatusInternalServerError)
return
}
var updTx database.Transaction
if err = json.Unmarshal(txdoc, &updTx); err != nil {
a.errorResponse(w, err, "unmarshalling transaction", http.StatusInternalServerError)
return
}
if err = a.dbc.UpdateTransaction(txID, updTx); err != nil {
a.errorResponse(w, err, "updating transaction", http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}