Carlos Florêncio
81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
package sessioncapacity
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import (
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"encoding/json"
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"errors"
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"io"
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"net/http"
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"github.com/gin-gonic/gin"
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)
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const responseErrorKey = "error"
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func RegisterRoutes(read, admin *gin.RouterGroup, service *Service) {
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read.GET("/session-capacity/settings", handleGet(service))
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admin.PATCH("/session-capacity/settings", handleUpdate(service))
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}
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func handleGet(service *Service) gin.HandlerFunc {
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return func(ctx *gin.Context) {
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response, err := service.Get(ctx.Request.Context())
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if err != nil {
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ctx.JSON(http.StatusInternalServerError, gin.H{
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responseErrorKey: "failed to load session capacity settings",
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})
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return
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}
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ctx.JSON(http.StatusOK, response)
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}
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}
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func handleUpdate(service *Service) gin.HandlerFunc {
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return func(ctx *gin.Context) {
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patch, err := decodePatch(ctx.Request.Body)
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if err != nil {
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ctx.JSON(http.StatusBadRequest, gin.H{
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responseErrorKey: "invalid session capacity settings request",
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})
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return
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}
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response, err := service.Update(ctx.Request.Context(), patch)
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if err != nil {
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switch {
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case errors.Is(err, ErrValidation):
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ctx.JSON(http.StatusBadRequest, gin.H{
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responseErrorKey: "invalid session capacity settings",
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})
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case errors.Is(err, ErrEnvironmentLocked):
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ctx.JSON(http.StatusConflict, gin.H{
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responseErrorKey: "session capacity settings are controlled by the environment",
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})
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default:
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ctx.JSON(http.StatusInternalServerError, gin.H{
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responseErrorKey: "failed to save session capacity settings",
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})
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}
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return
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}
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ctx.JSON(http.StatusOK, response)
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}
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}
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func decodePatch(body io.Reader) (SettingsPatch, error) {
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if body == nil {
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return SettingsPatch{}, errors.New("request body is required")
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}
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decoder := json.NewDecoder(body)
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decoder.DisallowUnknownFields()
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var patch SettingsPatch
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if err := decoder.Decode(&patch); err != nil {
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return SettingsPatch{}, err
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}
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if err := decoder.Decode(&struct{}{}); err != io.EOF {
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if err == nil {
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return SettingsPatch{}, errors.New("request contains multiple JSON values")
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}
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return SettingsPatch{}, err
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}
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return patch, nil
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}
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