18F/e-QIP-prototype

package http

import (
    "net/http"

    "github.com/18F/e-QIP-prototype/api"
    "github.com/18F/e-QIP-prototype/api/admin"
)

// SubmitHandler is the handler for submitting the application. This handler is not
// used in production, but is useful in development because it returns the generated XML
// for a submission.
type SubmitHandler struct {
    Env       api.Settings
    Log       api.LogService
    Database  api.DatabaseService
    Store     api.StorageService
    Submitter admin.Submitter
}

// ServeHTTP submits the application package to the external web service for further processing.
func (service SubmitHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {

    // Get account information
    account, _ := AccountAndSessionFromRequestContext(r)

    // If the account is locked then we cannot proceed
    if account.Status == api.StatusSubmitted {
        service.Log.Warn(api.AccountLocked, api.LogFields{})
        RespondWithStructuredError(w, api.AccountLocked, http.StatusForbidden)
        return
    }

    xml, _, submitErr := service.Submitter.FilesForSubmission(account.ID)
    if submitErr != nil {
        service.Log.WarnError(api.PdfError, submitErr, api.LogFields{})
        RespondWithStructuredError(w, api.PdfError, http.StatusInternalServerError)
        return
    }

    // Lock the account
    ok := account.Submit()
    if !ok {
        service.Log.Warn(api.AccountUpdateError, api.LogFields{"status": account.Status})
        RespondWithStructuredError(w, api.AccountUpdateError, http.StatusInternalServerError)
        return
    }

    if _, err := account.Save(service.Database, account.ID); err != nil {
        service.Log.WarnError(api.AccountUpdateError, err, api.LogFields{})
        RespondWithStructuredError(w, api.AccountUpdateError, http.StatusInternalServerError)
        return
    }

    // Write the XML to the response.
    w.Header().Set("Content-Type", "application/xml")
    w.Write(xml)
}