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‎README.md

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# Mojo take home test
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It is crucial you read the "Your mission" section in full before you start. We recommend re-reading it before submitting.
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Please do not fork this respository. Instead, clone it and push it to your own private repository. When you are ready to submit, please add the following users as collaborators to your repository, or download it as a ZIP for submission.
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- https://github.com/DuffleOne
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- https://github.com/billinghamj
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## Introduction
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Hello and thank you for the time to contribute to the Mojo take home test! In this exercise we have a simple HTTP service that has a job to track sessions. A session represents a user on a device. The service has a few endpoints that allow us to query the sessions.
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### `/list_by_platform`
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This endpoint is given a platform, and returns a list of sessions associated with that platform.
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### `/list_by_device_id`
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This endpoint is given a device ID, and returns a list of sessions associated with that device.
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## Your mission
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### Part 1
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The goal is to add a new endpoint that will return a list of all the sessions associated with a specific user ID. You will need to create the endpoint and register it within the service.
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### Part 2
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We now have 3 endpoints that all do very similiar things. What would it look like if we had just 1 endpoint with a flexible filter and pagination? Without changing the service code, what would the request struct look like? Write out just the struct as you would want it for that future endpoint.
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## Requirements & grading criteria
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* We will look for code that is minimal, clean, and readable.
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* We are keen on consistency and attention to detail.
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* We are looking for code that stylistically matches the rest of the codebase.
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* We are looking for your code to build if we run `go build ./...`
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* We are looking for you to spend no more than 20 to 30 minutes on this task.
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* We are not looking for any testing, or automation or proof of correctness.
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* Do not worry about authentication.
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* Do not worry about marshalling structs or the HTTP transport layer. If you want to know more about how that works, review the CRPC package outside of the 20 minute allotted time.

‎cmd/mojo/main.go

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package main
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import (
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"context"
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"net/http"
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"time"
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"github.com/go-chi/chi/v5"
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"github.com/wearemojo/lead-be-task/session"
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"github.com/wearemojo/lead-be-task/session/app"
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"github.com/wearemojo/lead-be-task/session/db"
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"github.com/wearemojo/lead-be-task/session/service"
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"github.com/wearemojo/mojo-public-go/lib/clog"
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"github.com/wearemojo/mojo-public-go/lib/config"
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"github.com/wearemojo/mojo-public-go/lib/crpc"
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"github.com/wearemojo/mojo-public-go/lib/middleware/request"
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)
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type ServerConfig struct {
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Logging clog.Config `json:"logging"`
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Server config.Server `json:"server"`
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}
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func main() {
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cfg := &ServerConfig{
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Logging: clog.Config{
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Format: "text",
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Debug: true,
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},
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Server: config.Server{
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Addr: "127.0.0.1:3000",
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},
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}
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log := cfg.Logging.Configure(context.Background())
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var svc session.Service = &service.Service{App: &app.App{
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DB: db.New(context.Background()),
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}}
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// create a new RPC server
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rpc := crpc.NewServer(unsafeNoAuthentication)
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// add logging middleware
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rpc.Use(crpc.Logger())
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rpc.Register("list_by_device_id", "2024-01-20", service.ListByDeviceIDSchema, svc.ListByDeviceID)
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rpc.Register("list_by_platform", "2024-01-20", service.ListByPlatformSchema, svc.ListByPlatform)
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mux := chi.NewRouter()
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mux.Use(request.Logger(log))
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mux.With(request.StripPrefix("/v1")).Handle("/v1/*", rpc)
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httpServer := &http.Server{
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Handler: mux,
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ReadHeaderTimeout: 10 * time.Second,
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}
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log.WithField("addr", cfg.Server.Addr).Info("listening")
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if err := cfg.Server.ListenAndServe(httpServer); err != nil {
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log.WithError(err).Fatal("listen failed")
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}
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}
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func unsafeNoAuthentication(next crpc.HandlerFunc) crpc.HandlerFunc {
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return func(res http.ResponseWriter, req *crpc.Request) error {
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return next(res, req)
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}
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}

‎go.mod

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module github.com/wearemojo/lead-be-task
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go 1.21.5
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require (
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github.com/go-chi/chi/v5 v5.0.11
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github.com/wearemojo/mojo-public-go v0.0.0-20240119160407-110d998b669a
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github.com/xeipuuv/gojsonschema v1.2.0
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go.mongodb.org/mongo-driver v1.13.1
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)
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require (
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cloud.google.com/go/compute v1.23.3 // indirect
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cloud.google.com/go/compute/metadata v0.2.3 // indirect
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github.com/blang/semver/v4 v4.0.0 // indirect
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github.com/cespare/xxhash/v2 v2.2.0 // indirect
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github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
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github.com/felixge/httpsnoop v1.0.4 // indirect
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github.com/go-logr/logr v1.4.1 // indirect
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github.com/go-logr/stdr v1.2.2 // indirect
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github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
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github.com/golang/protobuf v1.5.3 // indirect
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github.com/golang/snappy v0.0.4 // indirect
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github.com/google/go-cmp v0.6.0 // indirect
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github.com/google/s2a-go v0.1.7 // indirect
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github.com/google/uuid v1.5.0 // indirect
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github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
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github.com/googleapis/gax-go/v2 v2.12.0 // indirect
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github.com/jamescun/basex v0.0.0-20180407124237-e1bcb39ab18e // indirect
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github.com/klauspost/compress v1.17.4 // indirect
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github.com/montanaflynn/stats v0.7.1 // indirect
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github.com/pkg/errors v0.9.1 // indirect
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github.com/redis/go-redis/v9 v9.4.0 // indirect
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github.com/sirupsen/logrus v1.9.3 // indirect
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github.com/xdg-go/pbkdf2 v1.0.0 // indirect
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github.com/xdg-go/scram v1.1.2 // indirect
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github.com/xdg-go/stringprep v1.0.4 // indirect
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github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
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github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
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github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a // indirect
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go.opencensus.io v0.24.0 // indirect
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go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0 // indirect
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go.opentelemetry.io/otel v1.22.0 // indirect
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go.opentelemetry.io/otel/metric v1.22.0 // indirect
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go.opentelemetry.io/otel/trace v1.22.0 // indirect
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golang.org/x/crypto v0.18.0 // indirect
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golang.org/x/net v0.20.0 // indirect
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golang.org/x/oauth2 v0.16.0 // indirect
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golang.org/x/sync v0.6.0 // indirect
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golang.org/x/sys v0.16.0 // indirect
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golang.org/x/text v0.14.0 // indirect
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google.golang.org/api v0.157.0 // indirect
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google.golang.org/appengine v1.6.8 // indirect
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google.golang.org/genproto/googleapis/rpc v0.0.0-20240116215550-a9fa1716bcac // indirect
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google.golang.org/grpc v1.60.1 // indirect
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google.golang.org/protobuf v1.32.0 // indirect
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gopkg.in/ini.v1 v1.67.0 // indirect
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)

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