Shivanshu Raj Shrivastava 43337b6697
feat: db operations, module and handler implementation
Signed-off-by: Shivanshu Raj Shrivastava <shivanshu1333@gmail.com>
2025-06-02 12:14:03 +05:30

454 lines
12 KiB
Go

package impltracefunnel
import (
"encoding/json"
"net/http"
"time"
"github.com/SigNoz/signoz/pkg/errors"
"github.com/SigNoz/signoz/pkg/http/render"
"github.com/SigNoz/signoz/pkg/modules/tracefunnel"
"github.com/SigNoz/signoz/pkg/types/authtypes"
tf "github.com/SigNoz/signoz/pkg/types/tracefunnel"
"github.com/SigNoz/signoz/pkg/valuer"
"github.com/gorilla/mux"
)
type handler struct {
module tracefunnel.Module
}
func NewHandler(module tracefunnel.Module) tracefunnel.Handler {
return &handler{module: module}
}
func (handler *handler) New(rw http.ResponseWriter, r *http.Request) {
var req tf.FunnelRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
render.Error(rw, err)
return
}
claims, err := authtypes.ClaimsFromContext(r.Context())
if err != nil {
render.Error(rw, err)
return
}
userID := claims.UserID
orgID := claims.OrgID
funnels, err := handler.module.List(r.Context(), orgID)
if err != nil {
render.Error(rw, err)
return
}
for _, f := range funnels {
if f.Name == req.Name {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"a funnel with name '%s' already exists in this organization",
req.Name))
return
}
}
funnel, err := handler.module.Create(r.Context(), req.Timestamp, req.Name, userID, orgID)
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"failed to create funnel"))
return
}
response := tf.FunnelResponse{
FunnelID: funnel.ID.String(),
FunnelName: funnel.Name,
CreatedAt: req.Timestamp,
UserEmail: claims.Email,
OrgID: orgID,
}
render.Success(rw, http.StatusOK, response)
}
func (handler *handler) UpdateSteps(rw http.ResponseWriter, r *http.Request) {
var req tf.FunnelRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
render.Error(rw, err)
return
}
claims, err := authtypes.ClaimsFromContext(r.Context())
if err != nil {
render.Error(rw, err)
return
}
userID := claims.UserID
orgID := claims.OrgID
if err := tracefunnel.ValidateTimestamp(req.Timestamp, "timestamp"); err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"timestamp is invalid: %v", err))
return
}
funnel, err := handler.module.Get(r.Context(), req.FunnelID.String())
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"funnel not found: %v", err))
return
}
// Check if name is being updated and if it already exists
if req.Name != "" && req.Name != funnel.Name {
funnels, err := handler.module.List(r.Context(), orgID)
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"failed to list funnels: %v", err))
return
}
for _, f := range funnels {
if f.Name == req.Name {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"a funnel with name '%s' already exists in this organization", req.Name))
return
}
}
}
// Process each step in the request
for i := range req.Steps {
if req.Steps[i].Order < 1 {
req.Steps[i].Order = int64(i + 1) // Default to sequential ordering if not specified
}
// Generate a new UUID for the step if it doesn't have one
if req.Steps[i].Id.IsZero() {
newUUID := valuer.GenerateUUID()
req.Steps[i].Id = newUUID
}
}
if err := tracefunnel.ValidateFunnelSteps(req.Steps); err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"invalid funnel steps: %v", err))
return
}
// Normalize step orders
req.Steps = tracefunnel.NormalizeFunnelSteps(req.Steps)
// Update the funnel with new steps
funnel.Steps = req.Steps
funnel.UpdatedAt = time.Unix(0, req.Timestamp*1000000) // Convert to nanoseconds
funnel.UpdatedBy = userID
if req.Name != "" {
funnel.Name = req.Name
}
if req.Description != "" {
funnel.Description = req.Description
}
// Update funnel in database
err = handler.module.Update(r.Context(), funnel, userID)
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"failed to update funnel in database: %v", err))
return
}
// Get the updated funnel to return in response
updatedFunnel, err := handler.module.Get(r.Context(), funnel.ID.String())
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"failed to get updated funnel: %v", err))
return
}
response := tf.FunnelResponse{
FunnelName: updatedFunnel.Name,
FunnelID: updatedFunnel.ID.String(),
Steps: updatedFunnel.Steps,
CreatedAt: updatedFunnel.CreatedAt.UnixNano() / 1000000,
CreatedBy: updatedFunnel.CreatedBy,
OrgID: updatedFunnel.OrgID.String(),
UpdatedBy: userID,
UpdatedAt: updatedFunnel.UpdatedAt.UnixNano() / 1000000,
Description: updatedFunnel.Description,
UserEmail: claims.Email,
}
render.Success(rw, http.StatusOK, response)
}
func (handler *handler) UpdateFunnel(rw http.ResponseWriter, r *http.Request) {
var req tf.FunnelRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
render.Error(rw, err)
return
}
claims, err := authtypes.ClaimsFromContext(r.Context())
if err != nil {
render.Error(rw, err)
return
}
userID := claims.UserID
orgID := claims.OrgID
if err := tracefunnel.ValidateTimestamp(req.Timestamp, "timestamp"); err != nil {
render.Error(rw, errors.Newf(errors.TypeInvalidInput, errors.CodeInvalidInput, "timestamp is invalid: %v", err))
return
}
vars := mux.Vars(r)
funnelID := vars["funnel_id"]
funnel, err := handler.module.Get(r.Context(), funnelID)
if err != nil {
render.Error(rw, errors.Newf(errors.TypeInvalidInput, errors.CodeInvalidInput, "funnel not found: %v", err))
return
}
// Check if name is being updated and if it already exists
if req.Name != "" && req.Name != funnel.Name {
funnels, err := handler.module.List(r.Context(), orgID)
if err != nil {
render.Error(rw, errors.Newf(errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to list funnels: %v", err))
return
}
for _, f := range funnels {
if f.Name == req.Name {
render.Error(rw, errors.Newf(errors.TypeInvalidInput, errors.CodeInvalidInput, "a funnel with name '%s' already exists in this organization", req.Name))
return
}
}
}
funnel.UpdatedAt = time.Unix(0, req.Timestamp*1000000) // Convert to nanoseconds
funnel.UpdatedBy = userID
if req.Name != "" {
funnel.Name = req.Name
}
if req.Description != "" {
funnel.Description = req.Description
}
err = handler.module.Update(r.Context(), funnel, userID)
if err != nil {
render.Error(rw, errors.Newf(errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to update funnel in database: %v", err))
return
}
// Get the updated funnel to return in response
updatedFunnel, err := handler.module.Get(r.Context(), funnel.ID.String())
if err != nil {
render.Error(rw, errors.Newf(errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to get updated funnel: %v", err))
return
}
response := tf.FunnelResponse{
FunnelName: updatedFunnel.Name,
FunnelID: updatedFunnel.ID.String(),
Steps: updatedFunnel.Steps,
CreatedAt: updatedFunnel.CreatedAt.UnixNano() / 1000000,
CreatedBy: updatedFunnel.CreatedBy,
OrgID: updatedFunnel.OrgID.String(),
UpdatedBy: userID,
UpdatedAt: updatedFunnel.UpdatedAt.UnixNano() / 1000000,
Description: updatedFunnel.Description,
UserEmail: claims.Email,
}
render.Success(rw, http.StatusOK, response)
}
func (handler *handler) List(rw http.ResponseWriter, r *http.Request) {
claims, err := authtypes.ClaimsFromContext(r.Context())
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"unauthenticated"))
return
}
orgID := claims.OrgID
funnels, err := handler.module.List(r.Context(), orgID)
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"failed to list funnels: %v", err))
return
}
var response []tf.FunnelResponse
for _, f := range funnels {
funnelResp := tf.FunnelResponse{
FunnelName: f.Name,
FunnelID: f.ID.String(),
CreatedAt: f.CreatedAt.UnixNano() / 1000000,
CreatedBy: f.CreatedBy,
OrgID: f.OrgID.String(),
UpdatedAt: f.UpdatedAt.UnixNano() / 1000000,
UpdatedBy: f.UpdatedBy,
Description: f.Description,
}
// Get user email if available
if f.CreatedByUser != nil {
funnelResp.UserEmail = f.CreatedByUser.Email
}
response = append(response, funnelResp)
}
render.Success(rw, http.StatusOK, response)
}
func (handler *handler) Get(rw http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
funnelID := vars["funnel_id"]
funnel, err := handler.module.Get(r.Context(), funnelID)
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"funnel not found: %v", err))
return
}
response := tf.FunnelResponse{
FunnelID: funnel.ID.String(),
FunnelName: funnel.Name,
Description: funnel.Description,
CreatedAt: funnel.CreatedAt.UnixNano() / 1000000,
UpdatedAt: funnel.UpdatedAt.UnixNano() / 1000000,
CreatedBy: funnel.CreatedBy,
UpdatedBy: funnel.UpdatedBy,
OrgID: funnel.OrgID.String(),
Steps: funnel.Steps,
}
if funnel.CreatedByUser != nil {
response.UserEmail = funnel.CreatedByUser.Email
}
render.Success(rw, http.StatusOK, response)
}
func (handler *handler) Delete(rw http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
funnelID := vars["funnel_id"]
err := handler.module.Delete(r.Context(), funnelID)
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"failed to delete funnel: %v", err))
return
}
render.Success(rw, http.StatusOK, nil)
}
func (handler *handler) Save(rw http.ResponseWriter, r *http.Request) {
var req tf.FunnelRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"invalid request: %v", err))
return
}
claims, err := authtypes.ClaimsFromContext(r.Context())
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"unauthenticated"))
return
}
orgID := claims.OrgID
usrID := claims.UserID
funnel, err := handler.module.Get(r.Context(), req.FunnelID.String())
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"funnel not found: %v", err))
return
}
updateTimestamp := req.Timestamp
if updateTimestamp == 0 {
updateTimestamp = time.Now().UnixMilli()
} else if !tracefunnel.ValidateTimestampIsMilliseconds(updateTimestamp) {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"timestamp must be in milliseconds format (13 digits)"))
return
}
funnel.UpdatedAt = time.Unix(0, updateTimestamp*1000000) // Convert to nanoseconds
if req.UserID != "" {
funnel.UpdatedBy = usrID
}
funnel.Description = req.Description
if err := handler.module.Save(r.Context(), funnel, funnel.UpdatedBy, orgID); err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"failed to save funnel: %v", err))
return
}
createdAt, updatedAt, extraDataFromDB, err := handler.module.GetFunnelMetadata(r.Context(), funnel.ID.String())
if err != nil {
render.Error(rw,
errors.Newf(errors.TypeInvalidInput,
errors.CodeInvalidInput,
"failed to get funnel metadata: %v", err))
return
}
resp := tf.FunnelResponse{
FunnelName: funnel.Name,
CreatedAt: createdAt,
UpdatedAt: updatedAt,
CreatedBy: funnel.CreatedBy,
UpdatedBy: funnel.UpdatedBy,
OrgID: funnel.OrgID.String(),
Description: extraDataFromDB,
}
render.Success(rw, http.StatusOK, resp)
}