ussd/cmd/main.go

133 lines
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package main
import (
"context"
"flag"
"fmt"
"os"
"path"
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"git.defalsify.org/vise.git/cache"
"git.defalsify.org/vise.git/engine"
"git.defalsify.org/vise.git/persist"
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"git.defalsify.org/vise.git/resource"
"git.defalsify.org/vise.git/state"
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"git.grassecon.net/urdt/ussd/internal/models"
"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
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)
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var (
scriptDir = path.Join("services", "registration")
)
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func main() {
var dir string
var root string
var size uint
var sessionId string
flag.StringVar(&dir, "d", ".", "resource dir to read from")
flag.UintVar(&size, "s", 0, "max size of output")
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flag.StringVar(&root, "root", "root", "entry point symbol")
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flag.StringVar(&sessionId, "session-id", "default", "session id")
flag.Parse()
fmt.Fprintf(os.Stderr, "starting session at symbol '%s' using resource dir: %s\n", root, dir)
ctx := context.Background()
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st := state.NewState(15)
st.UseDebug()
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state.FlagDebugger.Register(models.USERFLAG_LANGUAGE_SET, "LANGUAGE_CHANGE")
state.FlagDebugger.Register(models.USERFLAG_ACCOUNT_CREATED, "ACCOUNT_CREATED")
state.FlagDebugger.Register(models.USERFLAG_ACCOUNT_SUCCESS, "ACCOUNT_SUCCESS")
state.FlagDebugger.Register(models.USERFLAG_ACCOUNT_PENDING, "ACCOUNT_PENDING")
state.FlagDebugger.Register(models.USERFLAG_INCORRECTPIN, "INCORRECTPIN")
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rfs := resource.NewFsResource(scriptDir)
ca := cache.NewCache()
cfg := engine.Config{
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Root: "root",
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SessionId: sessionId,
}
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dp := path.Join(scriptDir, ".state")
err := os.MkdirAll(dp, 0700)
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if err != nil {
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fmt.Fprintf(os.Stderr, "state dir create exited with error: %v\n", err)
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os.Exit(1)
}
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pr := persist.NewFsPersister(dp)
en, err := engine.NewPersistedEngine(ctx, cfg, pr, rfs)
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if err != nil {
pr = pr.WithContent(&st, ca)
err = pr.Save(cfg.SessionId)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to save state with error: %v\n", err)
}
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en, err = engine.NewPersistedEngine(ctx, cfg, pr, rfs)
if err != nil {
fmt.Fprintf(os.Stderr, "engine create exited with error: %v\n", err)
os.Exit(1)
}
}
fp := path.Join(dp, sessionId)
ussdHandlers := ussd.NewHandlers(fp, &st)
rfs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
rfs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
rfs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
rfs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
rfs.AddLocalFunc("check_identifier", ussdHandlers.CheckIdentifier)
rfs.AddLocalFunc("check_account_status", ussdHandlers.CheckAccountStatus)
rfs.AddLocalFunc("unlock_account", ussdHandlers.Unlock)
rfs.AddLocalFunc("quit", ussdHandlers.Quit)
rfs.AddLocalFunc("check_balance", ussdHandlers.CheckBalance)
rfs.AddLocalFunc("validate_recipient", ussdHandlers.ValidateRecipient)
rfs.AddLocalFunc("transaction_reset", ussdHandlers.TransactionReset)
rfs.AddLocalFunc("max_amount", ussdHandlers.MaxAmount)
rfs.AddLocalFunc("validate_amount", ussdHandlers.ValidateAmount)
rfs.AddLocalFunc("reset_transaction_amount", ussdHandlers.ResetTransactionAmount)
rfs.AddLocalFunc("get_recipient", ussdHandlers.GetRecipient)
rfs.AddLocalFunc("get_sender", ussdHandlers.GetSender)
rfs.AddLocalFunc("reset_incorrect", ussdHandlers.ResetIncorrectPin)
rfs.AddLocalFunc("save_firstname", ussdHandlers.SaveFirstname)
rfs.AddLocalFunc("save_familyname", ussdHandlers.SaveFamilyname)
rfs.AddLocalFunc("save_gender", ussdHandlers.SaveGender)
rfs.AddLocalFunc("save_location", ussdHandlers.SaveLocation)
rfs.AddLocalFunc("save_yob", ussdHandlers.SaveYob)
rfs.AddLocalFunc("save_offerings", ussdHandlers.SaveOfferings)
rfs.AddLocalFunc("quit_with_balance", ussdHandlers.QuitWithBalance)
rfs.AddLocalFunc("reset_unlocked", ussdHandlers.ResetAccountUnlocked)
rfs.AddLocalFunc("reset_unlock_for_update", ussdHandlers.ResetUnlockForUpdate)
rfs.AddLocalFunc("get_profile_info", ussdHandlers.GetProfileInfo)
rfs.AddLocalFunc("verify_yob", ussdHandlers.VerifyYob)
rfs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
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cont, err := en.Init(ctx)
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en.SetDebugger(engine.NewSimpleDebug(nil))
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if err != nil {
fmt.Fprintf(os.Stderr, "engine init exited with error: %v\n", err)
os.Exit(1)
}
if !cont {
_, err = en.WriteResult(ctx, os.Stdout)
if err != nil {
fmt.Fprintf(os.Stderr, "dead init write error: %v\n", err)
os.Exit(1)
}
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err = en.Finish()
if err != nil {
fmt.Fprintf(os.Stderr, "engine finish error: %v\n", err)
os.Exit(1)
}
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os.Stdout.Write([]byte{0x0a})
os.Exit(0)
}
err = engine.Loop(ctx, en, os.Stdin, os.Stdout)
if err != nil {
fmt.Fprintf(os.Stderr, "loop exited with error: %v\n", err)
os.Exit(1)
}
}