Add delete functionality to the scouting app

This patch adds the ability to delete data scouting entries
from the database through the view tab.

Signed-off-by: Filip Kujawa <filip.j.kujawa@gmail.com>
Change-Id: I294fd3ebfa3721dace00582ba7f22e3da5f0f419
diff --git a/scouting/webserver/requests/BUILD b/scouting/webserver/requests/BUILD
index 2ff8b85..795d0ee 100644
--- a/scouting/webserver/requests/BUILD
+++ b/scouting/webserver/requests/BUILD
@@ -8,6 +8,8 @@
     visibility = ["//visibility:public"],
     deps = [
         "//scouting/db",
+        "//scouting/webserver/requests/messages:delete_2023_data_scouting_go_fbs",
+        "//scouting/webserver/requests/messages:delete_2023_data_scouting_response_go_fbs",
         "//scouting/webserver/requests/messages:error_response_go_fbs",
         "//scouting/webserver/requests/messages:request_2023_data_scouting_go_fbs",
         "//scouting/webserver/requests/messages:request_2023_data_scouting_response_go_fbs",
@@ -42,6 +44,7 @@
     deps = [
         "//scouting/db",
         "//scouting/webserver/requests/debug",
+        "//scouting/webserver/requests/messages:delete_2023_data_scouting_go_fbs",
         "//scouting/webserver/requests/messages:request_2023_data_scouting_go_fbs",
         "//scouting/webserver/requests/messages:request_2023_data_scouting_response_go_fbs",
         "//scouting/webserver/requests/messages:request_all_driver_rankings_go_fbs",
diff --git a/scouting/webserver/requests/debug/BUILD b/scouting/webserver/requests/debug/BUILD
index d9bb030..ef14e5a 100644
--- a/scouting/webserver/requests/debug/BUILD
+++ b/scouting/webserver/requests/debug/BUILD
@@ -7,6 +7,7 @@
     target_compatible_with = ["@platforms//cpu:x86_64"],
     visibility = ["//visibility:public"],
     deps = [
+        "//scouting/webserver/requests/messages:delete_2023_data_scouting_response_go_fbs",
         "//scouting/webserver/requests/messages:error_response_go_fbs",
         "//scouting/webserver/requests/messages:request_2023_data_scouting_response_go_fbs",
         "//scouting/webserver/requests/messages:request_all_driver_rankings_response_go_fbs",
diff --git a/scouting/webserver/requests/debug/debug.go b/scouting/webserver/requests/debug/debug.go
index acb9dd4..4837cfe 100644
--- a/scouting/webserver/requests/debug/debug.go
+++ b/scouting/webserver/requests/debug/debug.go
@@ -9,6 +9,7 @@
 	"log"
 	"net/http"
 
+	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/delete_2023_data_scouting_response"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/error_response"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/request_2023_data_scouting_response"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/request_all_driver_rankings_response"
@@ -164,3 +165,9 @@
 		server+"/requests/submit/submit_actions", requestBytes,
 		submit_actions_response.GetRootAsSubmitActionsResponse)
 }
+
+func Delete2023DataScouting(server string, requestBytes []byte) (*delete_2023_data_scouting_response.Delete2023DataScoutingResponseT, error) {
+	return sendMessage[delete_2023_data_scouting_response.Delete2023DataScoutingResponseT](
+		server+"/requests/delete/delete_2023_data_scouting", requestBytes,
+		delete_2023_data_scouting_response.GetRootAsDelete2023DataScoutingResponse)
+}
diff --git a/scouting/webserver/requests/messages/BUILD b/scouting/webserver/requests/messages/BUILD
index c1cd999..db422ed 100644
--- a/scouting/webserver/requests/messages/BUILD
+++ b/scouting/webserver/requests/messages/BUILD
@@ -23,6 +23,8 @@
     "submit_driver_ranking_response",
     "submit_actions",
     "submit_actions_response",
+    "delete_2023_data_scouting",
+    "delete_2023_data_scouting_response",
 )
 
 filegroup(
diff --git a/scouting/webserver/requests/messages/delete_2023_data_scouting.fbs b/scouting/webserver/requests/messages/delete_2023_data_scouting.fbs
new file mode 100644
index 0000000..a2a3ce6
--- /dev/null
+++ b/scouting/webserver/requests/messages/delete_2023_data_scouting.fbs
@@ -0,0 +1,10 @@
+namespace scouting.webserver.requests;
+
+table Delete2023DataScouting {
+    comp_level:string (id: 0);
+    match_number:int (id: 1);
+    set_number:int (id: 2);
+    team_number:string (id: 3);
+}
+
+root_type Delete2023DataScouting;
diff --git a/scouting/webserver/requests/messages/delete_2023_data_scouting_response.fbs b/scouting/webserver/requests/messages/delete_2023_data_scouting_response.fbs
new file mode 100644
index 0000000..fd07526
--- /dev/null
+++ b/scouting/webserver/requests/messages/delete_2023_data_scouting_response.fbs
@@ -0,0 +1,7 @@
+namespace scouting.webserver.requests;
+
+table Delete2023DataScoutingResponse {
+    // empty response
+}
+
+root_type Delete2023DataScoutingResponse;
diff --git a/scouting/webserver/requests/requests.go b/scouting/webserver/requests/requests.go
index 37a6ff2..533959c 100644
--- a/scouting/webserver/requests/requests.go
+++ b/scouting/webserver/requests/requests.go
@@ -12,6 +12,8 @@
 	"strings"
 
 	"github.com/frc971/971-Robot-Code/scouting/db"
+	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/delete_2023_data_scouting"
+	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/delete_2023_data_scouting_response"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/error_response"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/request_2023_data_scouting"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/request_2023_data_scouting_response"
@@ -58,6 +60,8 @@
 type SubmitActions = submit_actions.SubmitActions
 type Action = submit_actions.Action
 type SubmitActionsResponseT = submit_actions_response.SubmitActionsResponseT
+type Delete2023DataScouting = delete_2023_data_scouting.Delete2023DataScouting
+type Delete2023DataScoutingResponseT = delete_2023_data_scouting_response.Delete2023DataScoutingResponseT
 
 // The interface we expect the database abstraction to conform to.
 // We use an interface here because it makes unit testing easier.
@@ -76,6 +80,8 @@
 	AddNotes(db.NotesData) error
 	AddDriverRanking(db.DriverRankingData) error
 	AddAction(db.Action) error
+	DeleteFromStats(string, int32, int32, string) error
+	DeleteFromActions(string, int32, int32, string) error
 }
 
 // Handles unknown requests. Just returns a 404.
@@ -871,6 +877,50 @@
 	w.Write(builder.FinishedBytes())
 }
 
+type Delete2023DataScoutingHandler struct {
+	db Database
+}
+
+func (handler Delete2023DataScoutingHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	requestBytes, err := io.ReadAll(req.Body)
+	if err != nil {
+		respondWithError(w, http.StatusBadRequest, fmt.Sprint("Failed to read request bytes:", err))
+		return
+	}
+
+	request, success := parseRequest(w, requestBytes, "Delete2023DataScouting", delete_2023_data_scouting.GetRootAsDelete2023DataScouting)
+	if !success {
+		return
+	}
+
+	err = handler.db.DeleteFromStats(
+		string(request.CompLevel()),
+		request.MatchNumber(),
+		request.SetNumber(),
+		string(request.TeamNumber()))
+
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to delete from stats: %v", err))
+		return
+	}
+
+	err = handler.db.DeleteFromActions(
+		string(request.CompLevel()),
+		request.MatchNumber(),
+		request.SetNumber(),
+		string(request.TeamNumber()))
+
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to delete from actions: %v", err))
+		return
+	}
+
+	var response Delete2023DataScoutingResponseT
+	builder := flatbuffers.NewBuilder(10)
+	builder.Finish((&response).Pack(builder))
+	w.Write(builder.FinishedBytes())
+}
+
 func HandleRequests(db Database, scoutingServer server.ScoutingServer) {
 	scoutingServer.HandleFunc("/requests", unknown)
 	scoutingServer.Handle("/requests/request/all_matches", requestAllMatchesHandler{db})
@@ -883,4 +933,5 @@
 	scoutingServer.Handle("/requests/request/shift_schedule", requestShiftScheduleHandler{db})
 	scoutingServer.Handle("/requests/submit/submit_driver_ranking", SubmitDriverRankingHandler{db})
 	scoutingServer.Handle("/requests/submit/submit_actions", submitActionsHandler{db})
+	scoutingServer.Handle("/requests/delete/delete_2023_data_scouting", Delete2023DataScoutingHandler{db})
 }
diff --git a/scouting/webserver/requests/requests_test.go b/scouting/webserver/requests/requests_test.go
index c1fe860..20a63ca 100644
--- a/scouting/webserver/requests/requests_test.go
+++ b/scouting/webserver/requests/requests_test.go
@@ -7,6 +7,7 @@
 
 	"github.com/frc971/971-Robot-Code/scouting/db"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/debug"
+	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/delete_2023_data_scouting"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/request_2023_data_scouting"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/request_2023_data_scouting_response"
 	"github.com/frc971/971-Robot-Code/scouting/webserver/requests/messages/request_all_driver_rankings"
@@ -907,6 +908,112 @@
 	}
 }
 
+// Validates that we can delete stats.
+func TestDeleteFromStats(t *testing.T) {
+	database := MockDatabase{
+		stats2023: []db.Stats2023{
+			{
+				TeamNumber: "3634", MatchNumber: 1, SetNumber: 2,
+				CompLevel: "quals", StartingQuadrant: 3, LowCubesAuto: 10,
+				MiddleCubesAuto: 1, HighCubesAuto: 1, CubesDroppedAuto: 0,
+				LowConesAuto: 1, MiddleConesAuto: 2, HighConesAuto: 1,
+				ConesDroppedAuto: 0, LowCubes: 1, MiddleCubes: 1,
+				HighCubes: 2, CubesDropped: 1, LowCones: 1,
+				MiddleCones: 2, HighCones: 0, ConesDropped: 1, SuperchargedPieces: 0,
+				AvgCycle: 34, Mobility: false, DockedAuto: true, EngagedAuto: false,
+				BalanceAttemptAuto: false, Docked: false, Engaged: false,
+				BalanceAttempt: true, CollectedBy: "isaac",
+			},
+			{
+				TeamNumber: "2343", MatchNumber: 1, SetNumber: 2,
+				CompLevel: "quals", StartingQuadrant: 1, LowCubesAuto: 0,
+				MiddleCubesAuto: 1, HighCubesAuto: 1, CubesDroppedAuto: 2,
+				LowConesAuto: 0, MiddleConesAuto: 0, HighConesAuto: 0,
+				ConesDroppedAuto: 1, LowCubes: 0, MiddleCubes: 0,
+				HighCubes: 1, CubesDropped: 0, LowCones: 0,
+				MiddleCones: 2, HighCones: 1, ConesDropped: 1, SuperchargedPieces: 0,
+				AvgCycle: 53, Mobility: false, DockedAuto: false, EngagedAuto: false,
+				BalanceAttemptAuto: true, Docked: false, Engaged: false,
+				BalanceAttempt: true, CollectedBy: "unknown",
+			},
+		},
+		actions: []db.Action{
+			{
+				PreScouting:     true,
+				TeamNumber:      "3634",
+				MatchNumber:     1,
+				SetNumber:       2,
+				CompLevel:       "quals",
+				CollectedBy:     "debug_cli",
+				CompletedAction: []byte{},
+				Timestamp:       2400,
+			},
+			{
+				PreScouting:     true,
+				TeamNumber:      "2343",
+				MatchNumber:     1,
+				SetNumber:       2,
+				CompLevel:       "quals",
+				CollectedBy:     "debug_cli",
+				CompletedAction: []byte{},
+				Timestamp:       1009,
+			},
+		},
+	}
+	scoutingServer := server.NewScoutingServer()
+	HandleRequests(&database, scoutingServer)
+	scoutingServer.Start(8080)
+	defer scoutingServer.Stop()
+
+	builder := flatbuffers.NewBuilder(1024)
+	builder.Finish((&delete_2023_data_scouting.Delete2023DataScoutingT{
+		CompLevel:   "quals",
+		MatchNumber: 1,
+		SetNumber:   2,
+		TeamNumber:  "2343",
+	}).Pack(builder))
+
+	_, err := debug.Delete2023DataScouting("http://localhost:8080", builder.FinishedBytes())
+	if err != nil {
+		t.Fatal("Failed to delete from data scouting ", err)
+	}
+
+	expectedActions := []db.Action{
+		{
+			PreScouting:     true,
+			TeamNumber:      "3634",
+			MatchNumber:     1,
+			SetNumber:       2,
+			CompLevel:       "quals",
+			CollectedBy:     "debug_cli",
+			CompletedAction: []byte{},
+			Timestamp:       2400,
+		},
+	}
+
+	expectedStats := []db.Stats2023{
+		{
+			TeamNumber: "3634", MatchNumber: 1, SetNumber: 2,
+			CompLevel: "quals", StartingQuadrant: 3, LowCubesAuto: 10,
+			MiddleCubesAuto: 1, HighCubesAuto: 1, CubesDroppedAuto: 0,
+			LowConesAuto: 1, MiddleConesAuto: 2, HighConesAuto: 1,
+			ConesDroppedAuto: 0, LowCubes: 1, MiddleCubes: 1,
+			HighCubes: 2, CubesDropped: 1, LowCones: 1,
+			MiddleCones: 2, HighCones: 0, ConesDropped: 1, SuperchargedPieces: 0,
+			AvgCycle: 34, Mobility: false, DockedAuto: true, EngagedAuto: false,
+			BalanceAttemptAuto: false, Docked: false, Engaged: false,
+			BalanceAttempt: true, CollectedBy: "isaac",
+		},
+	}
+
+	if !reflect.DeepEqual(expectedActions, database.actions) {
+		t.Fatal("Expected ", expectedActions, ", but got:", database.actions)
+	}
+	if !reflect.DeepEqual(expectedStats, database.stats2023) {
+		t.Fatal("Expected ", expectedStats, ", but got:", database.stats2023)
+	}
+}
+
 // A mocked database we can use for testing. Add functionality to this as
 // needed for your tests.
 
@@ -995,3 +1102,29 @@
 func (database *MockDatabase) ReturnActions() ([]db.Action, error) {
 	return database.actions, nil
 }
+
+func (database *MockDatabase) DeleteFromStats(compLevel_ string, matchNumber_ int32, setNumber_ int32, teamNumber_ string) error {
+	for i, stat := range database.stats2023 {
+		if stat.CompLevel == compLevel_ &&
+			stat.MatchNumber == matchNumber_ &&
+			stat.SetNumber == setNumber_ &&
+			stat.TeamNumber == teamNumber_ {
+			// Match found, remove the element from the array.
+			database.stats2023 = append(database.stats2023[:i], database.stats2023[i+1:]...)
+		}
+	}
+	return nil
+}
+
+func (database *MockDatabase) DeleteFromActions(compLevel_ string, matchNumber_ int32, setNumber_ int32, teamNumber_ string) error {
+	for i, action := range database.actions {
+		if action.CompLevel == compLevel_ &&
+			action.MatchNumber == matchNumber_ &&
+			action.SetNumber == setNumber_ &&
+			action.TeamNumber == teamNumber_ {
+			// Match found, remove the element from the array.
+			database.actions = append(database.actions[:i], database.actions[i+1:]...)
+		}
+	}
+	return nil
+}