147 lines
3.3 KiB
Go
147 lines
3.3 KiB
Go
package main
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import (
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"fmt"
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"net/http"
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"strconv"
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"github.com/knadh/listmonk/models"
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"github.com/lib/pq"
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uuid "github.com/satori/go.uuid"
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"github.com/asaskevich/govalidator"
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"github.com/labstack/echo"
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)
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// handleGetLists handles retrieval of lists.
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func handleGetLists(c echo.Context) error {
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var (
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app = c.Get("app").(*App)
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out []models.List
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listID, _ = strconv.Atoi(c.Param("id"))
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single = false
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)
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// Fetch one list.
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if listID > 0 {
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single = true
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}
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err := app.Queries.GetLists.Select(&out, listID)
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if err != nil {
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return echo.NewHTTPError(http.StatusInternalServerError,
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fmt.Sprintf("Error fetching lists: %s", pqErrMsg(err)))
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} else if single && len(out) == 0 {
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return echo.NewHTTPError(http.StatusBadRequest, "List not found.")
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} else if len(out) == 0 {
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return c.JSON(http.StatusOK, okResp{[]struct{}{}})
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}
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// Replace null tags.
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for i, v := range out {
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if v.Tags == nil {
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out[i].Tags = make(pq.StringArray, 0)
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}
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}
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if single {
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return c.JSON(http.StatusOK, okResp{out[0]})
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}
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return c.JSON(http.StatusOK, okResp{out})
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}
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// handleCreateList handles list creation.
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func handleCreateList(c echo.Context) error {
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var (
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app = c.Get("app").(*App)
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o = models.List{}
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)
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if err := c.Bind(&o); err != nil {
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return err
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}
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// Validate.
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if !govalidator.IsByteLength(o.Name, 1, stdInputMaxLen) {
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return echo.NewHTTPError(http.StatusBadRequest,
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"Invalid length for the name field.")
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}
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// Insert and read ID.
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var newID int
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o.UUID = uuid.NewV4().String()
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if err := app.Queries.CreateList.Get(&newID,
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o.UUID,
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o.Name,
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o.Type,
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pq.StringArray(normalizeTags(o.Tags))); err != nil {
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return echo.NewHTTPError(http.StatusInternalServerError,
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fmt.Sprintf("Error creating list: %s", pqErrMsg(err)))
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}
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// Hand over to the GET handler to return the last insertion.
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c.SetParamNames("id")
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c.SetParamValues(fmt.Sprintf("%d", newID))
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return c.JSON(http.StatusOK, handleGetLists(c))
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}
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// handleUpdateList handles list modification.
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func handleUpdateList(c echo.Context) error {
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var (
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app = c.Get("app").(*App)
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id, _ = strconv.Atoi(c.Param("id"))
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)
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if id < 1 {
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return echo.NewHTTPError(http.StatusBadRequest, "Invalid ID.")
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}
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// Incoming params.
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var o models.List
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if err := c.Bind(&o); err != nil {
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return err
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}
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res, err := app.Queries.UpdateList.Exec(id, o.Name, o.Type, pq.StringArray(normalizeTags(o.Tags)))
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if err != nil {
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return echo.NewHTTPError(http.StatusBadRequest,
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fmt.Sprintf("Error updating list: %s", pqErrMsg(err)))
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}
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if n, _ := res.RowsAffected(); n == 0 {
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return echo.NewHTTPError(http.StatusBadRequest, "List not found.")
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}
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return handleGetLists(c)
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}
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// handleDeleteLists handles deletion deletion,
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// either a single one (ID in the URI), or a list.
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func handleDeleteLists(c echo.Context) error {
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var (
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app = c.Get("app").(*App)
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id, _ = strconv.ParseInt(c.Param("id"), 10, 64)
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ids pq.Int64Array
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)
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// Read the list IDs if they were sent in the body.
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c.Bind(&ids)
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if id < 1 && len(ids) == 0 {
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return echo.NewHTTPError(http.StatusBadRequest, "Invalid ID.")
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}
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if id > 0 {
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ids = append(ids, id)
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}
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if _, err := app.Queries.DeleteLists.Exec(ids); err != nil {
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return echo.NewHTTPError(http.StatusInternalServerError,
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fmt.Sprintf("Delete failed: %v", err))
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}
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return c.JSON(http.StatusOK, okResp{true})
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}
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