From 8f5bb64dc3ffc66dfed4f5aa07d3696ffd7761a9 Mon Sep 17 00:00:00 2001
From: Sercan Yesildal <sercan.yesildal@gmail.com>
Date: Sun, 7 May 2023 11:24:33 +0200
Subject: [PATCH] handler and services added
---
src/myaktion/handler/campaign.go | 58 +++++++++++++++++++++++++++++---
src/myaktion/handler/donation.go | 41 ++++++++++++++++++++++
src/myaktion/main.go | 15 +++++++--
src/myaktion/service/campaign.go | 51 ++++++++++++++++++++++++----
src/myaktion/service/donation.go | 22 ++++++++++++
5 files changed, 174 insertions(+), 13 deletions(-)
create mode 100644 src/myaktion/handler/donation.go
create mode 100644 src/myaktion/service/donation.go
diff --git a/src/myaktion/handler/campaign.go b/src/myaktion/handler/campaign.go
index 6117d87..bc0ceeb 100644
--- a/src/myaktion/handler/campaign.go
+++ b/src/myaktion/handler/campaign.go
@@ -19,6 +19,36 @@ func getCampaign(r *http.Request) (*model.Campaign, error) {
return &campaign, nil
}
+func CreateCampaign(w http.ResponseWriter, r *http.Request) {
+ var campaign *model.Campaign
+ campaign, err := getCampaign(r)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+ if err := service.CreateCampaign(campaign); err != nil {
+ log.Errorf("Error calling service CreateCampaign: %v", err)
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ sendJson(w, campaign)
+}
+
+func GetCampaign(w http.ResponseWriter, r *http.Request) {
+ id, err := getId(r)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+ campaign, err := service.GetCampaign(id)
+ if err != nil {
+ log.Errorf("Error retrieving campaign with ID %d: %v", id, err)
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ sendJson(w, campaign)
+}
+
func GetCampaigns(w http.ResponseWriter, _ *http.Request) {
campaigns, err := service.GetCampaigns()
if err != nil {
@@ -29,17 +59,37 @@ func GetCampaigns(w http.ResponseWriter, _ *http.Request) {
sendJson(w, campaigns)
}
-func CreateCampaign(w http.ResponseWriter, r *http.Request) {
- var campaign *model.Campaign
+func UpdateCampaign(w http.ResponseWriter, r *http.Request) {
+ id, err := getId(r)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
campaign, err := getCampaign(r)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
- if err := service.CreateCampaign(campaign); err != nil {
- log.Errorf("Error calling service CreateCampaign: %v", err)
+ campaign, err = service.UpdateCampaign(id, campaign)
+ if err != nil {
+ log.Errorf("Error updating campaign with ID dd: %v", id, err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
sendJson(w, campaign)
}
+
+func DeleteCampaign(w http.ResponseWriter, r *http.Request) {
+ id, err := getId(r)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+ err = service.DeleteCampaign(id)
+ if err != nil {
+ log.Errorf("Failure deleting campaign with ID %d: %v", id, err)
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ sendJson(w, result{Success: "True"})
+}
diff --git a/src/myaktion/handler/donation.go b/src/myaktion/handler/donation.go
new file mode 100644
index 0000000..b10e307
--- /dev/null
+++ b/src/myaktion/handler/donation.go
@@ -0,0 +1,41 @@
+package handler
+
+import (
+ "encoding/json"
+ "net/http"
+
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/yesildas/myaktion-go/src/myaktion/model"
+ "gitlab.reutlingen-university.de/yesildas/myaktion-go/src/myaktion/service"
+)
+
+func getDonation(r *http.Request) (*model.Donation, error) {
+ var donation model.Donation
+ err := json.NewDecoder(r.Body).Decode(&donation)
+ if err != nil {
+ log.Errorf("Can't serialize request body to donation struct: %v", err)
+ return nil, err
+ }
+
+ return &donation, nil
+}
+
+func AddDonation(w http.ResponseWriter, r *http.Request) {
+ id, err := getId(r)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+ donation, err := getDonation(r)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+ err = service.AddDonation(id, donation)
+ if err != nil {
+ log.Errorf("Error adding donation to campaign with ID %d: %v", id, err)
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+ sendJson(w, donation)
+}
diff --git a/src/myaktion/main.go b/src/myaktion/main.go
index 28e090a..da694a2 100644
--- a/src/myaktion/main.go
+++ b/src/myaktion/main.go
@@ -9,6 +9,7 @@ import (
log "github.com/sirupsen/logrus"
"gitlab.reutlingen-university.de/yesildas/myaktion-go/src/myaktion/handler"
"gitlab.reutlingen-university.de/yesildas/myaktion-go/src/myaktion/model"
+ "gitlab.reutlingen-university.de/yesildas/myaktion-go/src/myaktion/service"
)
func init() {
@@ -24,7 +25,7 @@ func init() {
log.SetLevel(level)
}
-func main() {
+func loadSampleData() {
campaign := model.Campaign{
Name: "Spenden für eine bessere Note",
OrganizerName: "Geheimnisvolle Ente",
@@ -50,12 +51,22 @@ func main() {
Status: model.IN_PROCESS,
})
+ service.CreateCampaign(&campaign)
+}
+
+func main() {
+ loadSampleData()
port := 8000
log.Infof("Starting MyAktion API server on port %v.\n", port)
router := mux.NewRouter()
router.HandleFunc("/health", handler.Health).Methods("GET")
router.HandleFunc("/campaigns", handler.GetCampaigns).Methods("GET")
- router.HandleFunc("/campaign", handler.CreateCampaign).Methods("POST")
+ router.HandleFunc("/campaigns", handler.CreateCampaign).Methods("POST")
+ router.HandleFunc("/campaigns/{id}", handler.GetCampaign).Methods("GET")
+ router.HandleFunc("/campaigns/{id}", handler.UpdateCampaign).Methods("PUT")
+ router.HandleFunc("/campaigns/{id}", handler.DeleteCampaign).Methods("DELETE")
+ router.HandleFunc("/campaigns/{id}/donation", handler.AddDonation).Methods("POST")
+
if err := http.ListenAndServe(fmt.Sprintf(":%v", port), router); err != nil {
log.Fatal(err)
}
diff --git a/src/myaktion/service/campaign.go b/src/myaktion/service/campaign.go
index d4274a3..510712b 100644
--- a/src/myaktion/service/campaign.go
+++ b/src/myaktion/service/campaign.go
@@ -1,6 +1,8 @@
package service
import (
+ "fmt"
+
log "github.com/sirupsen/logrus"
"gitlab.reutlingen-university.de/yesildas/myaktion-go/src/myaktion/model"
@@ -15,6 +17,27 @@ func init() {
campaignStore = make(map[uint]*model.Campaign)
}
+func CreateCampaign(campaign *model.Campaign) error {
+ campaign.ID = actCampaignId
+ campaignStore[actCampaignId] = campaign
+ actCampaignId += 1
+ log.Infof("Successfully stored new campaign with ID %v in database.", campaign.ID)
+ log.Tracef("Stored: %v", campaign)
+
+ return nil
+}
+
+func GetCampaign(id uint) (*model.Campaign, error) {
+ if campaign, ok := campaignStore[id]; !ok {
+ log.Info("Campaign with ID %d not found.", id)
+ return nil, fmt.Errorf("campaign with id %d not found", id)
+ } else {
+ log.Infof("Successfully retrieved campaign with ID %v.", campaign.ID)
+ log.Tracef("Retrieved: ", *campaign)
+ return campaign, nil
+ }
+}
+
func GetCampaigns() ([]model.Campaign, error) {
var campaigns []model.Campaign
for _, campaign := range campaignStore {
@@ -26,12 +49,26 @@ func GetCampaigns() ([]model.Campaign, error) {
return campaigns, nil
}
-func CreateCampaign(campaign *model.Campaign) error {
- campaign.ID = actCampaignId
- campaignStore[actCampaignId] = campaign
- actCampaignId += 1
- log.Infof("Successfully stored new campaign with ID %v in database.", campaign.ID)
- log.Tracef("Stored: %v", campaign)
+func UpdateCampaign(id uint, campaign *model.Campaign) (*model.Campaign, error) {
+ if storeCampaign, ok := campaignStore[id]; !ok {
+ log.Info("Campaign with ID %d not found.", id)
+ return nil, fmt.Errorf("campaign with id %d not found", id)
+ } else {
+ *storeCampaign = *campaign
+ storeCampaign.ID = id
+ log.Infof("Successfully updated campaign with ID %d.", id)
+ log.Tracef("Updated: %v", storeCampaign)
+ return storeCampaign, nil
+ }
+}
- return nil
+func DeleteCampaign(id uint) error {
+ if campaign, ok := campaignStore[id]; !ok {
+ log.Info("Campaign with ID %d not found.", id)
+ return fmt.Errorf("campaign with id %d not found", id)
+ } else {
+ delete(campaignStore, id)
+ log.Infof("Successfully deleted campaign with ID %v.", campaign.ID)
+ return nil
+ }
}
diff --git a/src/myaktion/service/donation.go b/src/myaktion/service/donation.go
new file mode 100644
index 0000000..5a7bb09
--- /dev/null
+++ b/src/myaktion/service/donation.go
@@ -0,0 +1,22 @@
+package service
+
+import (
+ "fmt"
+
+ log "github.com/sirupsen/logrus"
+ "gitlab.reutlingen-university.de/yesildas/myaktion-go/src/myaktion/model"
+)
+
+func AddDonation(campaignId uint, donation *model.Donation) error {
+ campaign, err := GetCampaign(campaignId)
+ if err != nil {
+ log.Info("Campaign with ID %d not found.", campaignId)
+ return fmt.Errorf("campaign with id %d not found", campaignId)
+ }
+ if campaign.Donations == nil {
+ campaign.Donations = []model.Donation{}
+ }
+ campaign.Donations = append(campaign.Donations, *donation)
+
+ return nil
+}
--
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