More API progress

This time mainly helper functions for converting an account and
associated types into their API representation

server/apiLinstromAccounts.go

@@ -3,7 +3,10 @@ package server
 import (
 	"net/http"
 
+	"github.com/google/jsonapi"
 	"github.com/rs/zerolog/hlog"
+	"gitlab.com/mstarongitlab/goutils/other"
+	"gitlab.com/mstarongitlab/linstrom/storage"
 )
 
 // No create account. That happens during passkey registration
@@ -11,8 +14,45 @@ import (
 func linstromGetAccount(w http.ResponseWriter, r *http.Request) {
 	store := StorageFromRequest(r)
 	log := hlog.FromRequest(r)
+	accId := AccountIdFromRequest(r)
+	acc, err := store.FindAccountById(accId)
+	switch err {
+	case nil:
+		// Ok, do nothing
+	case storage.ErrEntryNotFound:
+		other.HttpErr(w, HttpErrIdNotFound, "account not found", http.StatusNotFound)
+		return
+	default:
+		log.Error().Err(err).Str("account-id", accId).Msg("Failed to get account from storage")
+		other.HttpErr(
+			w,
+			HttpErrIdDbFailure,
+			"Failed to get account from storage",
+			http.StatusInternalServerError,
+		)
+		return
+	}
+	// TODO: Check if caller is actually allowed to view the account requested.
 
+	outAccount, err := convertAccountStorageToLinstrom(acc, store)
+	if err != nil {
+		log.Error().
+			Err(err).
+			Msg("Failed to convert storage account (and attached data) into linstrom API representation")
+		other.HttpErr(
+			w,
+			HttpErrIdConverionFailure,
+			"Failed to convert storage account and attached data into API representation",
+			http.StatusInternalServerError,
+		)
+		return
+	}
+	err = jsonapi.MarshalPayload(w, outAccount)
+	if err != nil {
+		log.Error().Err(err).Any("account", outAccount).Msg("Failed to marshal and write account")
+	}
 }
+
 func linstromUpdateAccount(w http.ResponseWriter, r *http.Request) {}
 func linstromDeleteAccount(w http.ResponseWriter, r *http.Request) {}