Started work on crash reporting

internal/darkstorm_backend/README.md

@@ -105,6 +105,8 @@ If an error status code is returned then the body will be as follows.
 
 `errorCode`'s returned from the main library:
 
+* misconfigured
+  * Backend is configured incorrectly (such as App returning nil crash table, but key has crash permission)
 * invalidKey
   * API Key is invalid or does not have the needed permission for the request.
 * invalidBody

internal/darkstorm_backend/crash.go

@@ -1,59 +1,77 @@
 package darkstorm
 
-import "net/http"
+import (
+	"encoding/json"
+	"errors"
+	"net/http"
+)
 
 type ArchivedCrash struct {
-	Error    string
-	Stack    string
-	Platform string
+	Error    string `json:"error" bson:"error"`
+	Stack    string `json:"stack" bson:"stack"`
+	Platform string `json:"platform" bson:"platform"`
 }
 
 type IndividualCrash struct {
-	Platform string
-	Error    string
-	Stack    string
-	Count    int
+	Platform string `json:"platform" bson:"platform"`
+	Error    string `json:"error" bson:"error"`
+	Stack    string `json:"stack" bson:"stack"`
+	Count    int    `json:"count" bson:"count"`
 }
 
 type CrashReport struct {
-	ID         string
-	Error      string
-	FirstLine  string
-	Individual []IndividualCrash
+	ID         string            `json:"id" bson:"_id"`
+	Error      string            `json:"error" bson:"error"`
+	FirstLine  string            `json:"firstLine" bson:"firstLine"`
+	Individual []IndividualCrash `json:"individual" bson:"individual"`
 }
 
 func (c CrashReport) GetID() string {
 	return c.ID
 }
 
-type crashReq struct {
-	ID       string
-	Platform string
-	Error    string
-	Stack    string
-}
-
 func (b *Backend) reportCrash(w http.ResponseWriter, r *http.Request) {
+	var ap App
 	hdr, err := b.ParseHeader(r)
-	if hdr.k == nil || hdr.k.Perm["crash"] {
-		w.WriteHeader(http.StatusUnauthorized)
+	if hdr.k != nil {
+		ap = b.GetApp(hdr.k)
+	}
+	if ap == nil || hdr.k.Perm["crash"] || errors.Is(err, ErrApiKeyUnauthorized) {
+		ReturnError(w, http.StatusUnauthorized, "invalidKey", "Application not authorized")
+		return
+	} else if err != nil {
+		ReturnError(w, http.StatusInternalServerError, "internal", "Server error")
 		return
 	}
+	defer r.Body.Close()
+	var crash IndividualCrash
+	err = json.NewDecoder(r.Body).Decode(&crash)
+	if err != nil || crash.Platform == "" || crash.Error == "" || crash.Stack == "" {
+		ReturnError(w, http.StatusBadRequest, "invalidBody", "Bad request")
+		return
+	}
+	tab := ap.CrashTable()
+	if tab == nil {
+		ReturnError(w, http.StatusInternalServerError, "misconfigured", "Server misconfigured")
+		return
+	}
+	if !tab.IsArchived(crash) {
+		err = tab.InsertCrash(crash)
 		if err != nil {
-		//TODO
+			ReturnError(w, http.StatusInternalServerError, "internal", "Server error")
 			return
 		}
-	//TODO
+	}
+	w.WriteHeader(http.StatusCreated)
 }
 
 func (b *Backend) deleteCrash(w http.ResponseWriter, r *http.Request) {
 	hdr, err := b.ParseHeader(r)
-	if hdr.k == nil || hdr.k.Perm["management"] {
-		w.WriteHeader(http.StatusUnauthorized)
+	if hdr.k == nil || hdr.k.Perm["management"] || errors.Is(err, ErrApiKeyUnauthorized) {
+		ReturnError(w, http.StatusUnauthorized, "invalidKey", "Application not authorized")
 		return
-	}
-	if err != nil {
-		//TODO
+	} else if err != nil {
+		ReturnError(w, http.StatusInternalServerError, "internal", "Server error")
 		return
 	}
 	//TODO

internal/darkstorm_backend/db.go

@@ -21,5 +21,11 @@ type Table[T IDStruct] interface {
 
 type CrashTable interface {
 	Table[CrashReport]
-	InsertCrash(ID string, report IndividualCrash) error
+	// Move a crash type to archive. All instances that perfectly match that appear in CrashReport.Individual should be deleted.
+	// If a CrashReport ends up with an empty Individual array it should also be deleted.
+	Archive(ArchivedCrash)
+	IsArchived(IndividualCrash) bool
+	// Add the IndividualCrash report to the crash table. If a CrashReport exists that matches, then it gets added to CrashReport.Individual.
+	// If an IndividualCrash exists that is a perfect match, Count is incremented instead of adding it to the array.
+	InsertCrash(IndividualCrash) error
 }

internal/darkstorm_backend/user.go

@@ -118,6 +118,9 @@ func (b *Backend) CreateUser(w http.ResponseWriter, r *http.Request) {
 	if hdr.k == nil || !hdr.k.Perm["user"] || errors.Is(err, ErrApiKeyUnauthorized) {
 		ReturnError(w, http.StatusUnauthorized, "invalidKey", "Application not authorized")
 		return
+	} else if err != nil {
+		ReturnError(w, http.StatusInternalServerError, "internal", "Server error")
+		return
 	}
 	defer r.Body.Close()
 	var req createUserRequest
@@ -186,6 +189,9 @@ func (b *Backend) Login(w http.ResponseWriter, r *http.Request) {
 	if hdr.k == nil || !hdr.k.Perm["user"] || errors.Is(err, ErrApiKeyUnauthorized) {
 		ReturnError(w, http.StatusUnauthorized, "invalidKey", "Application not authorized")
 		return
+	} else if err != nil {
+		ReturnError(w, http.StatusInternalServerError, "internal", "Server error")
+		return
 	}
 	defer r.Body.Close()
 	var req loginRequest