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244 lines
6.8 KiB
244 lines
6.8 KiB
package skuManager
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import (
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"context"
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"time"
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"github.com/go-openapi/runtime/middleware"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/Cyclops-Labs/cyclops-4-hpc.git/services/plan-manager/models"
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"github.com/Cyclops-Labs/cyclops-4-hpc.git/services/plan-manager/restapi/operations/sku_management"
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"github.com/Cyclops-Labs/cyclops-4-hpc.git/services/plan-manager/server/dbManager"
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"github.com/Cyclops-Labs/cyclops-4-hpc.git/services/plan-manager/server/statusManager"
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l "gitlab.com/cyclops-utilities/logging"
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)
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const (
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statusDuplicated = iota
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statusFail
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statusMissing
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statusOK
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)
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// SkuManager is the struct defined to group and contain all the methods
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// that interact with the sku subsystem.
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// Parameters:
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// - basePath: a string with the base path of the system.
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// - db: a DbParameter reference to be able to use the DBManager methods.
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// - s.monit. a StatusManager reference to be able to use the status subsystem methods.
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type SkuManager struct {
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basePath string
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db *dbManager.DbParameter
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monit *statusManager.StatusManager
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}
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// New is the function to create the struct SkuManager.
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// Parameters:
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// - DbParameter: reference pointing to the DbParameter that allows the interaction
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// with the DBManager methods.
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// - StatusParameter: reference poining to the StatusManager that allows the
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// interaction with the StatusManager methods.
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// - bp: a string containing the base path of the service.
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// Returns:
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// - SkuManager: struct to interact with SkuManager subsystem functionalities.
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func New(db *dbManager.DbParameter, monit *statusManager.StatusManager, bp string) *SkuManager {
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l.Trace.Printf("[SkuManager] Generating new skuManager.\n")
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monit.InitEndpoint("sku")
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return &SkuManager{
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basePath: bp,
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db: db,
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monit: monit,
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}
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}
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// CreateSku (Swagger func) is the function behind the (POST) endpoint /sku
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// Its job is to add a new Sku to the system.
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func (m *SkuManager) CreateSku(ctx context.Context, params sku_management.CreateSkuParams) middleware.Responder {
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l.Trace.Printf("[SkuManager] CreateSku endpoint invoked.\n")
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callTime := time.Now()
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m.monit.APIHit("sku", callTime)
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id, state, e := m.db.CreateSku(params.Sku)
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if e != nil {
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s := "Problem creating the new Sku: " + e.Error()
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errorReturn := models.ErrorResponse{
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ErrorString: &s,
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "500", "method": "POST", "route": "/sku"}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewCreateSkuInternalServerError().WithPayload(&errorReturn)
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}
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if state == statusDuplicated {
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s := "The Sku already exists in the system."
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conflictReturn := models.ErrorResponse{
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ErrorString: &s,
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "409", "method": "POST", "route": "/sku"}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewCreateSkuConflict().WithPayload(&conflictReturn)
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}
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link := m.basePath + "/sku/" + id
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createReturn := models.ItemCreatedResponse{
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ID: id,
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Link: link,
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "201", "method": "POST", "route": "/sku"}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewCreateSkuCreated().WithPayload(&createReturn)
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}
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// GetSku (Swagger func) is the function behind the (GET) endpoint /sku/{id}
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// Its job is to get the Sku linked to the provided id.
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func (m *SkuManager) GetSku(ctx context.Context, params sku_management.GetSkuParams) middleware.Responder {
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l.Trace.Printf("[SkuManager] GetSku endpoint invoked.\n")
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callTime := time.Now()
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m.monit.APIHit("sku", callTime)
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sku, e := m.db.GetSku(params.ID)
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if e != nil {
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s := "Problem retrieving the Sku from the system: " + e.Error()
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errorReturn := models.ErrorResponse{
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ErrorString: &s,
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "500", "method": "GET", "route": "/sku/" + params.ID}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewGetSkuInternalServerError().WithPayload(&errorReturn)
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}
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if sku != nil {
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m.db.Metrics["api"].With(prometheus.Labels{"code": "200", "method": "GET", "route": "/sku/" + params.ID}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewGetSkuOK().WithPayload(sku)
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}
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s := "The Sku doesn't exists in the system."
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missingReturn := models.ErrorResponse{
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ErrorString: &s,
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "404", "method": "GET", "route": "/sku/" + params.ID}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewGetSkuNotFound().WithPayload(&missingReturn)
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}
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// ListSkus (Swagger func) is the function behind the (GET) endpoint /sku
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// Its job is to get the list of Skus in the system.
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func (m *SkuManager) ListSkus(ctx context.Context, params sku_management.ListSkusParams) middleware.Responder {
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l.Trace.Printf("[SkuManager] ListSkus endpoint invoked.\n")
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callTime := time.Now()
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m.monit.APIHit("sku", callTime)
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skus, e := m.db.ListSkus()
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if e != nil {
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s := "Problem retrieving the Skus from the system: " + e.Error()
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errorReturn := models.ErrorResponse{
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ErrorString: &s,
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "500", "method": "GET", "route": "/sku"}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewListSkusInternalServerError().WithPayload(&errorReturn)
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "200", "method": "GET", "route": "/sku"}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewListSkusOK().WithPayload(skus)
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}
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// UpdateSku (Swagger func) is the function behind the (PUT) endpoint /sku/{id}
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// Its job is to update the liked Sku to the provided ID with the provided data.
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func (m *SkuManager) UpdateSku(ctx context.Context, params sku_management.UpdateSkuParams) middleware.Responder {
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l.Trace.Printf("[SkuManager] UpdateSku endpoint invoked.\n")
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callTime := time.Now()
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m.monit.APIHit("sku", callTime)
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state, e := m.db.UpdateSku(params.ID, params.Sku)
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if e != nil {
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s := "Problem updating the Sku in the system: " + e.Error()
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errorReturn := models.ErrorResponse{
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ErrorString: &s,
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "500", "method": "PUT", "route": "/sku/" + params.ID}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewUpdateSkuInternalServerError().WithPayload(&errorReturn)
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}
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if state == statusMissing {
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s := "The Sku doesn't exists in the system."
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missingReturn := models.ErrorResponse{
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ErrorString: &s,
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "404", "method": "PUT", "route": "/sku/" + params.ID}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewUpdateSkuNotFound().WithPayload(&missingReturn)
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}
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m.db.Metrics["api"].With(prometheus.Labels{"code": "200", "method": "PUT", "route": "/sku/" + params.ID}).Inc()
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m.monit.APIHitDone("sku", callTime)
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return sku_management.NewUpdateSkuOK().WithPayload(params.Sku)
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}
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