95 lines
2.4 KiB
Go
95 lines
2.4 KiB
Go
package routes
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import (
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"github.com/robfig/cron/v3"
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"github.com/tigorlazuardi/redmage/api"
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"github.com/tigorlazuardi/redmage/api/reddit"
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"github.com/tigorlazuardi/redmage/models"
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"github.com/tigorlazuardi/redmage/pkg/errs"
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"github.com/tigorlazuardi/redmage/pkg/log"
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)
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func (routes *Routes) SubredditsCreateAPI(rw http.ResponseWriter, req *http.Request) {
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ctx, span := tracer.Start(req.Context(), "*Routes.SubredditsCreate")
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defer span.End()
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var (
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body *models.Subreddit
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enc = json.NewEncoder(rw)
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)
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if err := json.NewDecoder(req.Body).Decode(&body); err != nil {
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rw.WriteHeader(http.StatusBadRequest)
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_ = enc.Encode(map[string]string{"error": fmt.Sprintf("failed to decode json body: %s", err)})
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return
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}
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if err := validateSubredditsCreate(body); err != nil {
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rw.WriteHeader(http.StatusBadRequest)
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_ = enc.Encode(map[string]string{"error": err.Error()})
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return
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}
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actual, err := routes.API.SubredditCheck(ctx, api.SubredditCheckParam{
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Subreddit: body.Name,
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SubredditType: reddit.SubredditType(body.Subtype),
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})
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if err != nil {
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log.New(ctx).Err(err).Error("subreddit check returns error")
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code, message := errs.HTTPMessage(err)
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rw.WriteHeader(code)
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_ = enc.Encode(map[string]string{"error": message})
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return
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}
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body.Name = actual
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sub, err := routes.API.SubredditsCreate(ctx, body)
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if err != nil {
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log.New(ctx).Err(err).Error("failed to create subreddit")
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code, message := errs.HTTPMessage(err)
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rw.WriteHeader(code)
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_ = enc.Encode(map[string]string{"error": message})
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return
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}
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rw.WriteHeader(http.StatusCreated)
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if err := enc.Encode(sub); err != nil {
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log.New(ctx).Err(err).Error("failed to encode subreddit into json")
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}
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}
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var cronParser = cron.NewParser(cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow | cron.Descriptor)
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func validateSubredditsCreate(body *models.Subreddit) error {
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if body.Name == "" {
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return errors.New("name is required")
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}
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if body.Enable > 1 {
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body.Enable = 1
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} else if body.Enable < 0 {
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body.Enable = 0
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}
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if body.Subtype > 1 {
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body.Subtype = 1
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} else if body.Subtype < 0 {
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body.Subtype = 0
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}
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if body.Schedule == "" {
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return errors.New("schedule is required")
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}
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_, err := cronParser.Parse(body.Schedule)
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if err != nil {
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return fmt.Errorf("bad cron schedule: %w", err)
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}
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if body.Countback < 1 {
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return errors.New("countback must be 1 or higher")
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}
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return nil
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}
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