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Commit81489f8

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committed
allow levels with no steps
1 parent367c98c commit81489f8

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10 files changed

+91
-73
lines changed

10 files changed

+91
-73
lines changed

‎src/channel/index.ts

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -70,7 +70,6 @@ class Channel implements Channel {
7070
this.send({type:'START_NEW_TUTORIAL'})
7171
return
7272
}
73-
console.log('send LOAD_STORED_TUTORIAL')
7473
// communicate to client the tutorial & stepProgress state
7574
this.send({type:'LOAD_STORED_TUTORIAL',payload:{ tutorial, progress, position}})
7675

‎src/channel/state/Position.ts

Lines changed: 16 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@ import * as G from 'typings/graphql'
33

44
constdefaultValue:CR.Position={
55
levelId:'',
6-
stepId:'',
6+
stepId:null,
77
}
88

99
// position
@@ -42,18 +42,25 @@ class Position {
4242

4343
// get step
4444
constcurrentLevel:G.Level=levels[lastLevelIndex]
45-
const{ steps}=currentLevel
46-
constlastStepIndex:number|undefined=steps.findIndex((s:G.Step)=>!progress.steps[s.id])
47-
if(lastStepIndex>=steps.length){
48-
thrownewError('Error setting progress step')
45+
letcurrentStepId:string|null
46+
if(!currentLevel.steps.length){
47+
// no steps available for level
48+
currentStepId=null
49+
}else{
50+
// find current step id
51+
const{ steps}=currentLevel
52+
constlastStepIndex:number|undefined=steps.findIndex((s:G.Step)=>!progress.steps[s.id])
53+
if(lastStepIndex>=steps.length){
54+
thrownewError('Error setting progress step')
55+
}
56+
// handle position when last step is complete but "continue" not yet selected
57+
constadjustedLastStepIndex=lastStepIndex===-1 ?steps.length-1 :lastStepIndex
58+
currentStepId=steps[adjustedLastStepIndex].id
4959
}
50-
// handle position when last step is complete but "continue" not yet selected
51-
constadjustedLastStepIndex=lastStepIndex===-1 ?steps.length-1 :lastStepIndex
52-
constcurrentStep:G.Step=steps[adjustedLastStepIndex]
5360

5461
this.value={
5562
levelId:currentLevel.id,
56-
stepId:currentStep.id,
63+
stepId:currentStepId,
5764
}
5865

5966
returnthis.value

‎typings/index.d.ts

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -19,7 +19,7 @@ export interface StepProgress {
1919
// current tutorial position
2020
exportinterfacePosition{
2121
levelId:string
22-
stepId:string
22+
stepId:string|null
2323
complete?:boolean
2424
}
2525

‎web-app/src/components/Router/index.tsx

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@ import { createMachine } from '../../services/state/machine'
44
import{useMachine}from'../../services/xstate-react'
55
importRoutefrom'./Route'
66
importonErrorfrom'../../services/sentry/onError'
7+
import{LOG_STATE}from'../../environment'
78

89
interfaceOutput{
910
context:T.MachineContext
@@ -20,6 +21,10 @@ const editor = acquireVsCodeApi()
2021
constuseRouter=():Output=>{
2122
const[state,send]=useMachine<T.MachineContext,any>(createMachine({editorSend:editor.postMessage}))
2223

24+
if(LOG_STATE){
25+
console.log(JSON.stringify(state.value))
26+
}
27+
2328
// event bus listener
2429
React.useEffect(()=>{
2530
constlistener='message'

‎web-app/src/environment.ts

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -12,3 +12,4 @@ export const DEBUG: boolean = (process.env.REACT_APP_DEBUG || '').toLowerCase()
1212
exportconstVERSION:string=process.env.VERSION||'unknown'
1313
exportconstNODE_ENV:string=process.env.NODE_ENV||'production'
1414
exportconstAUTH_TOKEN:string|null=process.env.AUTH_TOKEN||null
15+
exportconstLOG_STATE:boolean=(process.env.LOG_STATE||'').toLowerCase()==='true'

‎web-app/src/services/selectors/position.ts

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -5,14 +5,14 @@ import * as tutorial from './tutorial'
55

66
exportconstdefaultPosition=()=>({
77
levelId:'',
8-
stepId:'',
8+
stepId:null,
99
})
1010

1111
exportconstinitialPosition=createSelector(tutorial.currentVersion,(version:G.TutorialVersion)=>{
1212
constlevel=version.data.levels[0]
1313
constposition:CR.Position={
1414
levelId:level.id,
15-
stepId:level.steps.length ?level.steps[0].id :'',
15+
stepId:level.steps.length ?level.steps[0].id :null,
1616
}
1717
returnposition
1818
})

‎web-app/src/services/selectors/tutorial.ts

Lines changed: 6 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -41,15 +41,9 @@ export const currentLevel = (context: MachineContext): G.Level =>
4141
},
4242
)(context)
4343

44-
exportconstcurrentStep=(context:MachineContext):G.Step=>
45-
createSelector(
46-
currentLevel,
47-
(level:G.Level):G.Step=>{
48-
conststeps:G.Step[]=level.steps
49-
letstep:G.Step|undefined=steps.find((s:G.Step)=>s.id===context.position.stepId)
50-
if(!step){
51-
step={id:'',content:'no steps for level'}
52-
}
53-
returnstep
54-
},
55-
)(context)
44+
exportconstcurrentStep=(context:MachineContext):G.Step|null=>
45+
createSelector(currentLevel,(level:G.Level):G.Step|null=>{
46+
conststeps:G.Step[]=level.steps
47+
conststep:G.Step|null=steps.find((s:G.Step)=>s.id===context.position.stepId)||null
48+
returnstep
49+
})(context)

‎web-app/src/services/state/actions/context.ts

Lines changed: 43 additions & 34 deletions
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,6 @@ const contextActions: ActionFunctionMap<T.MachineContext, T.MachineEvent> = {
1717
//@ts-ignore
1818
storeContinuedTutorial:assign({
1919
tutorial:(context:T.MachineContext,event:T.MachineEvent)=>{
20-
console.log('storeContinuedTutorial')
2120
returnevent.payload.tutorial
2221
},
2322
progress:(context:T.MachineContext,event:T.MachineEvent)=>{
@@ -132,25 +131,27 @@ const contextActions: ActionFunctionMap<T.MachineContext, T.MachineEvent> = {
132131

133132
conststeps:G.Step[]=level.steps
134133

135-
conststepIndex=steps.findIndex((s:G.Step)=>s.id===position.stepId)
136-
conststepComplete=progress.steps[position.stepId]
137-
constfinalStep=stepIndex>-1&&stepIndex===steps.length-1
138-
consthasNextStep=!finalStep&&!stepComplete
139-
140-
// NEXT STEP
141-
if(hasNextStep){
142-
constnextPosition={ ...position,stepId:steps[stepIndex+1].id}
143-
return{type:'NEXT_STEP',payload:{position:nextPosition}}
144-
}
134+
if(steps.length&&position.stepId){
135+
conststepIndex=steps.findIndex((s:G.Step)=>s.id===position.stepId)
136+
conststepComplete=progress.steps[position.stepId]
137+
constfinalStep=stepIndex>-1&&stepIndex===steps.length-1
138+
consthasNextStep=!finalStep&&!stepComplete
145139

146-
// has next level?
140+
// NEXT STEP
141+
if(hasNextStep){
142+
constnextPosition={ ...position,stepId:steps[stepIndex+1].id}
143+
return{type:'NEXT_STEP',payload:{position:nextPosition}}
144+
}
147145

148-
if(!context.tutorial){
149-
consterror=newError('Tutorial not found')
150-
onError(error)
151-
throwerror
146+
// has next level?
147+
if(!context.tutorial){
148+
consterror=newError('Tutorial not found')
149+
onError(error)
150+
throwerror
151+
}
152152
}
153153

154+
//@ts-ignore
154155
constlevels=context.tutorial.version.data.levels||[]
155156
constlevelIndex=levels.findIndex((l:G.Level)=>l.id===position.levelId)
156157
constfinalLevel=levelIndex>-1&&levelIndex===levels.length-1
@@ -177,26 +178,27 @@ const contextActions: ActionFunctionMap<T.MachineContext, T.MachineEvent> = {
177178
constlevel:G.Level=selectors.currentLevel(context)
178179

179180
const{ steps}=level
180-
// TODO verify not -1
181-
conststepIndex=steps.findIndex((s:G.Step)=>s.id===position.stepId)
182-
constfinalStep=stepIndex===steps.length-1
183-
conststepComplete=progress.steps[position.stepId]
184-
// not final step, or final step but not complete
185-
consthasNextStep=!finalStep||!stepComplete
186-
187-
if(hasNextStep){
188-
constnextStep=steps[stepIndex+1]
189-
return{
190-
type:'LOAD_NEXT_STEP',
191-
payload:{
192-
step:nextStep,
193-
},
194-
}
195-
}else{
196-
return{
197-
type:'LEVEL_COMPLETE',
181+
182+
if(steps.length&&position.stepId){
183+
conststepIndex=steps.findIndex((s:G.Step)=>s.id===position.stepId)
184+
constfinalStep=stepIndex===steps.length-1
185+
conststepComplete=progress.steps[position.stepId]
186+
// not final step, or final step but not complete
187+
consthasNextStep=!finalStep||!stepComplete
188+
189+
if(hasNextStep){
190+
constnextStep=steps[stepIndex+1]
191+
return{
192+
type:'LOAD_NEXT_STEP',
193+
payload:{
194+
step:nextStep,
195+
},
196+
}
198197
}
199198
}
199+
return{
200+
type:'LEVEL_COMPLETE',
201+
}
200202
},
201203
),
202204
//@ts-ignore
@@ -223,6 +225,13 @@ const contextActions: ActionFunctionMap<T.MachineContext, T.MachineEvent> = {
223225
returnmessage
224226
},
225227
}),
228+
//@ts-ignore
229+
checkEmptySteps:send((context:T.MachineContext)=>{
230+
// no step id indicates no steps to complete
231+
return{
232+
type:context.position.stepId===null ?'START_COMPLETED_LEVEL' :'START_LEVEL',
233+
}
234+
}),
226235
}
227236

228237
exportdefaultcontextActions

‎web-app/src/services/state/actions/editor.ts

Lines changed: 12 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -44,8 +44,8 @@ export default (editorSend: any) => ({
4444
}
4545
},
4646
loadStep(context:CR.MachineContext):void{
47-
conststep:G.Step=selectors.currentStep(context)
48-
if(step.setup){
47+
conststep:G.Step|null=selectors.currentStep(context)
48+
if(step&&step.setup){
4949
// load step actions
5050
editorSend({
5151
type:'SETUP_ACTIONS',
@@ -57,15 +57,17 @@ export default (editorSend: any) => ({
5757
}
5858
},
5959
editorLoadSolution(context:CR.MachineContext):void{
60-
conststep:G.Step=selectors.currentStep(context)
60+
conststep:G.Step|null=selectors.currentStep(context)
6161
// tell editor to load solution commit
62-
editorSend({
63-
type:'SOLUTION_ACTIONS',
64-
payload:{
65-
stepId:step.id,
66-
...step.solution,
67-
},
68-
})
62+
if(step&&step.solution){
63+
editorSend({
64+
type:'SOLUTION_ACTIONS',
65+
payload:{
66+
stepId:step.id,
67+
...step.solution,
68+
},
69+
})
70+
}
6971
},
7072
clearStorage():void{
7173
editorSend({type:'TUTORIAL_CLEAR'})

‎web-app/src/services/state/machine.ts

Lines changed: 5 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@ export const createMachine = (options: any) => {
2121
error:null,
2222
env:{machineId:'',sessionId:'',token:''},
2323
tutorial:null,
24-
position:{levelId:'',stepId:''},
24+
position:{levelId:'',stepId:null},
2525
progress:{
2626
levels:{},
2727
steps:{},
@@ -188,9 +188,10 @@ export const createMachine = (options: any) => {
188188
initial:'Load',
189189
states:{
190190
Load:{
191-
onEntry:['loadLevel','loadStep'],
192-
after:{
193-
0:'Normal',
191+
onEntry:['loadLevel','loadStep','checkEmptySteps'],
192+
on:{
193+
START_LEVEL:'Normal',
194+
START_COMPLETED_LEVEL:'LevelComplete',
194195
},
195196
},
196197
Normal:{

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