Large refactor to server code to re-organise
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88844c0056
commit
376a036067
7 changed files with 208 additions and 221 deletions
315
pkg/server/routes.go
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315
pkg/server/routes.go
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package server
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"github.com/google/uuid"
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"github.com/mdiluz/rove/pkg/game"
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"github.com/mdiluz/rove/pkg/version"
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)
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// Handler describes a function that handles any incoming request and can respond
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type Handler func(*Server, io.ReadCloser, io.Writer) error
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// Route defines the information for a single path->function route
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type Route struct {
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path string
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method string
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handler Handler
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}
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// Routes is an array of all the Routes
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var Routes = []Route{
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{
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path: "/status",
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method: http.MethodGet,
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handler: HandleStatus,
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},
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{
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path: "/register",
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method: http.MethodPost,
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handler: HandleRegister,
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},
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{
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path: "/spawn",
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method: http.MethodPost,
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handler: HandleSpawn,
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},
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{
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path: "/commands",
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method: http.MethodPost,
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handler: HandleCommands,
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},
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{
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path: "/view",
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method: http.MethodPost,
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handler: HandleView,
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},
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}
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// StatusResponse is a struct that contains information on the status of the server
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type StatusResponse struct {
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Ready bool `json:"ready"`
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Version string `json:"version"`
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}
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// HandleStatus handles the /status request
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func HandleStatus(s *Server, b io.ReadCloser, w io.Writer) error {
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// Simply encode the current status
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var response = StatusResponse{
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Ready: true,
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Version: version.Version,
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}
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// Reply with the current status
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json.NewEncoder(w).Encode(response)
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return nil
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}
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// BasicResponse describes the minimum dataset for a response
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type BasicResponse struct {
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Success bool `json:"success"`
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Error string `json:"error"`
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}
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// BasicAccountData describes the data to be sent for an account specific post
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type BasicAccountData struct {
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Id string `json:"id"`
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}
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// RegisterData describes the data to send when registering
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type RegisterData struct {
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Name string `json:"name"`
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}
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// RegisterResponse describes the response to a register request
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type RegisterResponse struct {
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BasicResponse
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Id string `json:"id"`
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}
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// HandleRegister handles /register endpoint
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func HandleRegister(s *Server, b io.ReadCloser, w io.Writer) error {
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// Set up the response
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var response = RegisterResponse{
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BasicResponse: BasicResponse{
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Success: false,
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},
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}
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// Pull out the registration info
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var data RegisterData
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err := json.NewDecoder(b).Decode(&data)
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if err != nil {
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fmt.Printf("Failed to decode json: %s\n", err)
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response.Error = err.Error()
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} else if len(data.Name) == 0 {
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response.Error = "Cannot register empty name"
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} else {
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// log the data sent
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fmt.Printf("\tdata: %+v\n", data)
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// Register the account with the server
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acc, err := s.accountant.RegisterAccount(data.Name)
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// If we didn't fail, respond with the account ID string
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if err == nil {
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response.Success = true
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response.Id = acc.Id.String()
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} else {
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response.Error = err.Error()
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}
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}
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// Log the response
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fmt.Printf("\tresponse: %+v\n", response)
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// Reply with the current status
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json.NewEncoder(w).Encode(response)
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return nil
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}
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// SpawnData is the data to be sent for the spawn command
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type SpawnData struct {
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BasicAccountData
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}
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// SpawnResponse is the data to respond with on a spawn command
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type SpawnResponse struct {
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BasicResponse
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Position game.Vector `json:"position"`
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}
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// HandleSpawn will spawn the player entity for the associated account
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func HandleSpawn(s *Server, b io.ReadCloser, w io.Writer) error {
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// Set up the response
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var response = SpawnResponse{
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BasicResponse: BasicResponse{
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Success: false,
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},
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}
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// Pull out the incoming info
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var data SpawnData
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if err := json.NewDecoder(b).Decode(&data); err != nil {
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fmt.Printf("Failed to decode json: %s\n", err)
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response.Error = err.Error()
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} else if len(data.Id) == 0 {
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response.Error = "No account ID provided"
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} else if id, err := uuid.Parse(data.Id); err != nil {
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response.Error = "Provided account ID was invalid"
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} else {
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// log the data sent
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fmt.Printf("\tspawn data: %v\n", data)
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// Create a new instance
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if pos, _, err := s.SpawnPrimary(id); err != nil {
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response.Error = err.Error()
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} else {
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response.Success = true
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response.Position = pos
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}
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}
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// Log the response
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fmt.Printf("\tresponse: %+v\n", response)
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// Reply with the current status
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json.NewEncoder(w).Encode(response)
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return nil
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}
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const (
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// CommandMove describes a single move command
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CommandMove = "move"
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)
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// Command describes a single command to execute
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// it contains the type, and then any members used for each command type
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type Command struct {
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// Command is the main command string
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Command string `json:"command"`
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// Used for CommandMove
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Vector game.Vector `json:"vector"`
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}
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// CommandsData is a set of commands to execute in order
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type CommandsData struct {
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BasicAccountData
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Commands []Command `json:"commands"`
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}
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// HandleSpawn will spawn the player entity for the associated account
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func HandleCommands(s *Server, b io.ReadCloser, w io.Writer) error {
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// Set up the response
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var response = BasicResponse{
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Success: false,
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}
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// Pull out the incoming info
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var data CommandsData
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if err := json.NewDecoder(b).Decode(&data); err != nil {
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fmt.Printf("Failed to decode json: %s\n", err)
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response.Error = err.Error()
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} else if len(data.Id) == 0 {
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response.Error = "No account ID provided"
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} else if id, err := uuid.Parse(data.Id); err != nil {
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response.Error = fmt.Sprintf("Provided account ID was invalid: %s", err)
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} else if inst, err := s.accountant.GetPrimary(id); err != nil {
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response.Error = fmt.Sprintf("Provided account has no primary: %s", err)
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} else {
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// log the data sent
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fmt.Printf("\tcommands data: %v\n", data)
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// Iterate through the commands to generate all game commands
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var cmds []game.Command
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for _, c := range data.Commands {
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switch c.Command {
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case CommandMove:
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cmds = append(cmds, s.world.CommandMove(inst, c.Vector))
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}
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}
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// Execute the commands
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if err := s.world.Execute(cmds...); err != nil {
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response.Error = fmt.Sprintf("Failed to execute commands: %s", err)
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} else {
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response.Success = true
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}
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}
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// Log the response
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fmt.Printf("\tresponse: %+v\n", response)
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// Reply with the current status
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json.NewEncoder(w).Encode(response)
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return nil
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}
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// ViewData describes the input data to request an accounts current view
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type ViewData struct {
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BasicAccountData
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}
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// ViewResponse describes the response to a /view call
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type ViewResponse struct {
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BasicResponse
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}
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// HandleView handles the view request
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func HandleView(s *Server, b io.ReadCloser, w io.Writer) error {
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// Set up the response
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var response = ViewResponse{
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BasicResponse: BasicResponse{
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Success: false,
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},
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}
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// Pull out the incoming info
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var data CommandsData
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if err := json.NewDecoder(b).Decode(&data); err != nil {
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fmt.Printf("Failed to decode json: %s\n", err)
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response.Error = err.Error()
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} else if len(data.Id) == 0 {
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response.Error = "No account ID provided"
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} else if id, err := uuid.Parse(data.Id); err != nil {
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response.Error = fmt.Sprintf("Provided account ID was invalid: %s", err)
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} else {
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// log the data sent
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fmt.Printf("\tcommands data: %v\n", data)
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// TODO: Query the view for this account
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fmt.Println(id)
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}
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// Log the response
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fmt.Printf("\tresponse: %+v\n", response)
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// Reply with the current status
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json.NewEncoder(w).Encode(response)
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return nil
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}
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