devrelcollective/xela

package actions

import (
    "github.com/devrelcollective/xela/models"
    "github.com/gobuffalo/buffalo"
    "github.com/gobuffalo/pop"
    "github.com/pkg/errors"
)

// This file is generated by Buffalo. It offers a basic structure for
// adding, editing and deleting a page. If your model is more
// complex or you need more than the basic implementation you need to
// edit this file.

// Following naming logic is implemented in Buffalo:
// Model: Singular (Abstract)
// DB Table: Plural (abstracts)
// Resource: Plural (Abstracts)
// Path: Plural (/abstracts)
// View Template Folder: Plural (/templates/abstracts/)

// AbstractsResource is the resource for the Abstract model
type AbstractsResource struct {
    buffalo.Resource
}

// List gets all Abstracts. This function is mapped to the path
// GET /abstracts
func (v AbstractsResource) List(c buffalo.Context) error {
    // Get the DB connection from the context
    tx, ok := c.Value("tx").(*pop.Connection)
    if !ok {
        return errors.WithStack(errors.New("no transaction found"))
    }

    abstracts := &models.Abstracts{}

    // Paginate results. Params "page" and "per_page" control pagination.
    // Default values are "page=1" and "per_page=20".
    q := tx.PaginateFromParams(c.Params())

    // Retrieve all Abstracts from the DB
    if err := q.All(abstracts); err != nil {
        return errors.WithStack(err)
    }

    // Add the paginator to the context so it can be used in the template.
    c.Set("pagination", q.Paginator)

    return c.Render(200, r.Auto(c, abstracts))
}

// Show gets the data for one Abstract. This function is mapped to
// the path GET /abstracts/{abstract_id}
func (v AbstractsResource) Show(c buffalo.Context) error {
    // Get the DB connection from the context
    tx, ok := c.Value("tx").(*pop.Connection)
    if !ok {
        return errors.WithStack(errors.New("no transaction found"))
    }

    // Allocate an empty Abstract
    abstract := &models.Abstract{}

    // To find the Abstract the parameter abstract_id is used.
    if err := tx.Find(abstract, c.Param("abstract_id")); err != nil {
        return c.Error(404, err)
    }

    return c.Render(200, r.Auto(c, abstract))
}

// New renders the form for creating a new Abstract.
// This function is mapped to the path GET /abstracts/new
func (v AbstractsResource) New(c buffalo.Context) error {
    return c.Render(200, r.Auto(c, &models.Abstract{}))
}

// Create adds a Abstract to the DB. This function is mapped to the
// path POST /abstracts
func (v AbstractsResource) Create(c buffalo.Context) error {
    // Get the DB connection from the context
    tx, ok := c.Value("tx").(*pop.Connection)
    if !ok {
        return errors.WithStack(errors.New("no transaction found"))
    }

    user := c.Value("current_user").(*models.User)

    // Allocate an empty Abstract
    abstract := &models.Abstract{
        UserID:    user.ID,
        UpdatedBy: user.ID,
    }

    // Bind abstract to the html form elements
    if err := c.Bind(abstract); err != nil {
        return errors.WithStack(err)
    }

    // Validate the data from the html form
    verrs, err := tx.ValidateAndCreate(abstract)
    if err != nil {
        return errors.WithStack(err)
    }

    if verrs.HasAny() {
        // Make the errors available inside the html template
        c.Set("errors", verrs)

        // Render again the new.html template that the user can
        // correct the input.
        return c.Render(422, r.Auto(c, abstract))
    }

    // If there are no errors set a success message
    c.Flash().Add("success", "Abstract was created successfully")

    // and redirect to the abstracts index page
    return c.Render(201, r.Auto(c, abstract))
}

// Edit renders a edit form for a Abstract. This function is
// mapped to the path GET /abstracts/{abstract_id}/edit
func (v AbstractsResource) Edit(c buffalo.Context) error {
    // Get the DB connection from the context
    tx, ok := c.Value("tx").(*pop.Connection)
    if !ok {
        return errors.WithStack(errors.New("no transaction found"))
    }

    // Allocate an empty Abstract
    abstract := &models.Abstract{}

    if err := tx.Find(abstract, c.Param("abstract_id")); err != nil {
        return c.Error(404, err)
    }

    return c.Render(200, r.Auto(c, abstract))
}

// Update changes a Abstract in the DB. This function is mapped to
// the path PUT /abstracts/{abstract_id}
func (v AbstractsResource) Update(c buffalo.Context) error {
    // Get the DB connection from the context
    tx, ok := c.Value("tx").(*pop.Connection)
    if !ok {
        return errors.WithStack(errors.New("no transaction found"))
    }

    user := c.Value("current_user").(*models.User)

    // Allocate an empty Abstract
    abstract := &models.Abstract{
        UpdatedBy: user.ID,
    }

    if err := tx.Find(abstract, c.Param("abstract_id")); err != nil {
        return c.Error(404, err)
    }

    // Bind Abstract to the html form elements
    if err := c.Bind(abstract); err != nil {
        return errors.WithStack(err)
    }

    verrs, err := tx.ValidateAndUpdate(abstract)
    if err != nil {
        return errors.WithStack(err)
    }

    if verrs.HasAny() {
        // Make the errors available inside the html template
        c.Set("errors", verrs)

        // Render again the edit.html template that the user can
        // correct the input.
        return c.Render(422, r.Auto(c, abstract))
    }

    // If there are no errors set a success message
    c.Flash().Add("success", "Abstract was updated successfully")

    // and redirect to the abstracts index page
    return c.Render(200, r.Auto(c, abstract))
}

// Destroy deletes a Abstract from the DB. This function is mapped
// to the path DELETE /abstracts/{abstract_id}
func (v AbstractsResource) Destroy(c buffalo.Context) error {
    // Get the DB connection from the context
    tx, ok := c.Value("tx").(*pop.Connection)
    if !ok {
        return errors.WithStack(errors.New("no transaction found"))
    }

    // Allocate an empty Abstract
    abstract := &models.Abstract{}

    // To find the Abstract the parameter abstract_id is used.
    if err := tx.Find(abstract, c.Param("abstract_id")); err != nil {
        return c.Error(404, err)
    }

    if err := tx.Destroy(abstract); err != nil {
        return errors.WithStack(err)
    }

    // If there are no errors set a flash message
    c.Flash().Add("success", "Abstract was destroyed successfully")

    // Redirect to the abstracts index page
    return c.Render(200, r.Auto(c, abstract))
}