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CloudFuctiosforFirebaseSampleLibrary

ThisrepositorycotaisacollectioofsamplesshowcasigsometypicalusesofCloudFuctiosforFirebase.

AllsamplesusetheNode14rutimeadrequiretheBlazepay-as-you-gobilligplatodeploy.LearmoreaboutCloudFuctiosforFirebase'sNodeversioshere.

What'sCloudFuctiosforFirebase?

CloudFuctiosisahosted,private,adscalableNode.jsevirometwhereyoucaruJavaScriptcode.CloudFuctiosforFirebaseitegratestheFirebaseplatformbylettigyouwritecodethatrespodstoevetsadivokesfuctioalityexposedbyotherFirebasefeatures.

Prerequisites

TolearhowtogetstartedwithCloudFuctiosforFirebasebyhavigalookatourGettigStartedGuide,tryigthequickstartsamplesadlookigatthedocumetatio.

SamplesOverview

Thisrepositorycotaisafewcategoriesofsamples:

Quickstartsaremiimalexamplesforeachtypesoftriggers.DevelopmetEvirometSamplesadBoilerplatesillustrateshowtogetstartedwithdifferet,commolyusedJavaScriptdevelopmetpatterssuchasTypescript,ReactSSR,ES2017etc...ImageProcessigshowsafewwayswhereyoucaprocessadtrasformimagesusigCloudFuctiossuchasgeeratigthumbails,covertigimagesextractigmetadata...FirebaseRealtimeDatabaseDataCosistecyshowshowtoimplemetautomaticdatacosistecysuchaskeepigacoutofchildre,havigamaxamoutofodechilds,cleaigupolddataetc...foryourRealtimeDatabase.OthercommousecasesasetofothercommousecasesforCloudFuctios.

Quickstarts

HereisasetofmiimalsamplesforeachCloudFuctiostriggertypes.

Quickstart:UppercaserforRealtimeDatabaseorFirestore

ThisquickstartsampledemostratesusigCloudFuctiostriggeredbyFirebaseRealtimeDatabaseorFirestoreevets.ThefuctiotrasformsmessagetextwrittetoFirestoretouppercase.

HTTPStriggerquickstart:TimeServer

ThisquickstartsampledemostratesusigCloudFuctiostriggeredbyHTTPSrequests.Thefuctioretursthecurretservertimeadallowsfordatetimeformattig.

HostigtriggeredHTTPSfuctioquickstart:BigBe

ThisquickstartdemostratesusigCloudFuctioswithaHTTPStriggerthat'striggeredthroughaFirebaseHostigURL.Thefuctiowilldisplayarepeatedumberof"BONG"sdepedigothehouroftheday.

CloudStoragetriggerquickstart:Thumbailgeerator

ThisquickstartsampledemostratesusigCloudFuctiostriggeredbyFirebaseStorageevets.Thefuctiogeeratesathumbailofuploadedimages.

Authtriggerquickstart:WelcomeEmail

ThisquickstartsampledemostratesusigCloudFuctiostriggeredbyFirebaseAuthevets.ThefuctiosedsaWelcomeEmailwheuseraccoutsarecreated(orwheuserssig-iusigaIdetityProviderforthefirsttime)adsedsaGoodbyeEmailwheuseraccoutsaredeleted.

PubSubtriggerquickstart:HelloWorld

ThisquickstartsampledemostratesusigCloudFuctiostriggeredbyPubSubevets.ThefuctioslogthePubSubpayloadiaHelloworldmessage.

TestLabtriggerquickstart:Logwheamatrixcompletes

ThisquickstartdemostrateshowtotriggerafuctioiresposetothecompletioofatestmatrixiFirebaseTestLab.

DevelopmetBoilerplates

TheFirebaseCLIgeeratessamplecodeforCloudFuctiosusigJavaScriptorTypeScript.

Server-sidegeeratedpagesw/Hadlebarstemplatigadusersessios

Thissampleshowshowtoserveserver-sidegeeratedHTMLpagesusigtheHadlebarsJstemplatigsystemadserveuser-specificcotetbyalwayspassigtheFirebaseIDtokeia__sessiocookie.

ImageProcessig

HereareafewsamplesthatshowhowyoucaprocessoraalyzeimagesusigCloudFuctios.

ImageMaker

ThissampledemostrateshowtocreatevariouscustomizedimagessuchassparklieorspherechartsthroughCloudFuctiosadHostigadserveittothecliet.UsesaHTTPtrigger.

Covertimagesafterupload

DemostrateshowtoautomaticallycovertimagesthatareuploadedtoFirebaseStoragetoJPEGusigImageMagick.UsesaFirebaseStoragetrigger.

GeerateimagethumbailsusigImageMagick

DemostrateshowtoautomaticallygeerateathumbailforimagesthatareuploadedtoFirebaseStorageusigImageMagickadgeerateapublicdowloadlikfortheimages.UsesaFirebaseStoragetrigger.

GeerateimagethumbailsusigNode.jsStream&Sharp

DemostrateshowtouseNode.jsStreamtoreadimagefromCloudStorage,geerateathumbailimageusigSharpaduploaditbacktoCloudStorage.UsesaFirebaseStoragetrigger.

Moderateoffesiveimages

DemostrateshowtoautomaticallymoderateoffesiveimagesthatareuploadedtoFirebaseStoragebyusigtheGoogleCloudVisioAPItodetectoffesiveimagesadImageMagicktoblurtheseimages.UsesaFirebaseStoragetrigger.

Extractimagemetadata

Demostrateshowtoautomaticallyextractimage'smetadatausigImageMagickforimagesthatareuploadedtoFirebaseStorage.UsesaFirebaseStoragetrigger.

FirebaseRealtimeDatabaseDataCosistecy

Thesesamplesshowhowtoimplemetautomaticdatacosistecysuchaskeepigacoutofchildre,havigamaxamoutofodechilds,cleaigupolddataetc...

LastModifiedFirebaseDatabasetrackig

TrackigwhetheFirebaseDatabase(orasubset)waslastmodified.UsesaRealtimeDatabasetrigger.

FirebaseDatabasechildodescout

KeepstrackoftheumberofchildodesofaFirebaseDatabaseelemetallowigclietstofilterororderresultsusigthechildcout.Thiscabeusefultokeeptrackoftheumberof"likes"or"followers"ofsomethigsharedthroughsocialmedia.UsesaRealtimeDatabasetrigger.

Limitumberofchildodes

Makessurethattheumberofchildodesstaysbelowacertaithreshold.Thiscabeusefultolimittheumberofliesoflogsorchathistorybelowagiveumber.UsesaRealtimeDatabasetrigger.

Removigolditemsfromalist

Thissampleshowshowtoremovechildodesoldertha2hoursfromaFirebaseDatabaselist.Thiscabeusefulforremovigoutdateditemsfromacollectio.UsesaRealtimeDatabasetrigger.

OthercommousecasesSedFCMotificatios

ThissampledemostrateshowtosedaFirebaseCloudMessagig(FCM)otificatiofromaRealtimeDatabasetriggeredFuctiowheusersgetewfollowers.ThesamplealsofeaturesaWebUItoexperiecetheFCMotificatio.UsesaRealtimeDatabasetrigger.

GoogleAssistatsaysordialofgiveumber

ThissampleshowshowtocreateaactiofortheGoogleHome/AssistatusigtheActiosSDKhostedoCloudFuctios.Thesampleactioasksuserstosayaumberadreadsouttheordialofthatumber.UsesaHTTPtrigger.

AutheticatedJSONAPI

ThissampleshowshowtoautheticateaccesstoaJSONAPItoolyallowaccesstodataforaspecificFirebaseuser.UsesaHTTPtrigger.

AuthorizedHTTPedpoit

ThissampleshowshowtorestrictaHTTPSFuctiotoolytheFirebaseusersofyourapp.OlyuserswhopassavalidFirebaseIDtokeasaBearertokeitheAuthorizatioheaderoftheHTTPrequestoria__sessiocookieareauthorizedtousethefuctio.CheckigtheIDtokeisdoewithaExpressJsmiddlewarethatalsopassesthedecodedIDtokeitheExpressrequestobject.UsesaHTTPtrigger.

AuthorizewithOkta,LikedI,Spotify,Istagram,orBasicAuth

Demostrateshowtoauthorizewitha3rdpartysig-imechaism,createaFirebasecustomauthtoke,updatetheuser'sprofileadauthorizeFirebase.UsesaHTTPtrigger.

PostGitHubcommitstoSlackchael

DemostrateshowtoautomaticallypostGitHubcommitstoaSlackchaelusigaHTTPStriggeredFuctio.

CreateadchargecustomerswithStripeorPaypal

DemostrateshowstoitegrateFirebaseAuthadtheRealtimedatabasewithStripeviatheStripeNode.jslibraryadshowshowtocreateHTTPedpoitstochargecustomersviaPaypal.

Textmoderatio

Demostrateshowtomoderateuseriputtextforbadwords.Thiscabeusedtomoderateuserames,chatorforummessages.UsesaRealtimeDatabasetrigger.

Emailcofirmatio

Sedsemailcofirmatioafteruserssubscribedtoamailiglist.UsesaRealtimeDatabasetrigger.

Automaticmessagetraslatio

ItegratestheGoogleTraslateAPItoperformautomatictexttraslatioacrossayumberoflaguages.LaguagecodescabestorediFirebaseforotheflychages.UsesaRealtimeDatabasetrigger.

AutomaticURLshorteer

ItegratestheBit.lyAPItoshorteURLsautomaticallyastheyareaddedtothedatabase.UsesaRealtimeDatabasetrigger.

Full-textsearchforRealtimeDatabaseorFirestore

Eablefull-textsearchoFirebaseDatabasedataorFirestoredocumetsbyusigahostedsearchservice.UsesaRealtimeDatabaseorFirestoretrigger.

Userdatacleaup

DeletesallassociateduserdataitheRealtimedatabasewheauserdeleteshisFirebaseaccout.UsesaAuthtrigger.Thiscodehasmovedtoitsowrepoathttps://github.com/firebase/user-data-protectio

ExportyourdatatoaGoogleSpreadsheet

ThissampledemostrateshowtosycewdatawrittetoaFirebasedatabasetoaGoogleSheet.Iticludesamethodforobtaiig,storig,adusigOauth2tokesforGoogleAPIaccess.UsesHTTPStriggersadRealtimeDatabasetriggers.

ExportyourdatatoBigQuery

CopiesFirebaseDatabaseelemetsitoBigQueryautomatically.Thiscabeusefulforistaceforfurtherlogsaalysis.UsesaRealtimeDatabasetrigger.

WebhookupoFirebaseDatabasewrites

WritigtotheFirebaseDatabasetriggersarequesttoacallbackURL(aWebhook).ThecotetofthemodifiedDataissettotheWebhook.UsesaRealtimeDatabasetrigger.

Sedasurveywheusersupdateyourapp

Thissampleshowshowtosedasurveytoyouruserswhohaveupdatedyourapp.AppUpdateisdetectedusigaFirebaseAalyticsevet.UsesaAalyticstrigger.

Sedacoupotouserwhohavecompletedapurchase

Thissampleshowshowtosedacoupotoyouruserswhohavejustpurchasedsomethig.10%offoyourextpurchase!UsesaAalyticstrigger.

Deleteiactiveusersaccoutsviacro

Periodicallydeletestheaccoutsofuserswhohaveotsigediithelastmoth.UsesaHTTPStrigger.

DeveloperMotivator

ThissampledemostrateshowtosedaFirebaseCloudMessagig(FCM)otificatiotothedeveloperdeviceeachtimeyourappgaisorlosesauser.UsesaAalyticstrigger.

AudioFilesCoversio

Thissampleusesffmpeg/fluet-ffmpegadautomaticallycovertsaudiofilesthatareuploadedtoCloudStoragetoFLACfileformatwithmoo-chaelaudio@16000hz.UsesaStoragetrigger.

PreseceforFirestore

Buildasimpleolie/offliestatusidicatorforyourusersbyleveragigFirestoreadRealtimeDatabasetogether.UsesaRealtimeDatabasetrigger.

PublishModelstoFirebaseML

AutomaticallypublishesmodelstoFirebaseMLforeachTesorFlowLitefilethatisuploadedtoFirebaseStorage.

GetiformatioaboutaYouTubechael

ThissampleshowshowtoquerytheYoutubeDataAPI.UsesaHTTPStrigger.

Cotributig

We'dlovethatyoucotributetotheproject.BeforedoigsopleasereadourCotributorguide.

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functions-samples开源项目

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