de.blizzy.documentr.web.branch.BranchController.java Source code

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Here is the source code for de.blizzy.documentr.web.branch.BranchController.java

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/*
documentr - Edit, maintain, and present software documentation on the web.
Copyright (C) 2012-2013 Maik Schreiber
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package de.blizzy.documentr.web.branch;

import java.io.IOException;
import java.util.List;

import javax.validation.Valid;

import org.apache.commons.lang3.StringUtils;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

import com.google.common.io.Closeables;

import de.blizzy.documentr.DocumentrConstants;
import de.blizzy.documentr.access.User;
import de.blizzy.documentr.access.UserStore;
import de.blizzy.documentr.page.IPageStore;
import de.blizzy.documentr.page.Page;
import de.blizzy.documentr.repository.GlobalRepositoryManager;
import de.blizzy.documentr.repository.ILockedRepository;

@Controller
@RequestMapping("/branch")
public class BranchController {
    @Autowired
    private GlobalRepositoryManager globalRepositoryManager;
    @Autowired
    private IPageStore pageStore;
    @Autowired
    private UserStore userStore;

    @RequestMapping(value = "/create/{projectName:" + DocumentrConstants.PROJECT_NAME_PATTERN
            + "}", method = RequestMethod.GET)
    @PreAuthorize("hasProjectPermission(#projectName, EDIT_BRANCH)")
    public String createBranch(@PathVariable String projectName, Model model) {
        BranchForm form = new BranchForm(projectName, null, null);
        model.addAttribute("branchForm", form); //$NON-NLS-1$
        return "/project/branch/edit"; //$NON-NLS-1$
    }

    @RequestMapping(value = "/save/{projectName:" + DocumentrConstants.PROJECT_NAME_PATTERN
            + "}", method = RequestMethod.POST)
    @PreAuthorize("hasBranchPermission(#form.projectName, #form.name, EDIT_BRANCH)")
    public String saveBranch(@ModelAttribute @Valid BranchForm form, BindingResult bindingResult,
            Authentication authentication) throws IOException, GitAPIException {

        List<String> branches = globalRepositoryManager.listProjectBranches(form.getProjectName());
        boolean firstBranch = branches.isEmpty();
        if (branches.contains(form.getName())) {
            bindingResult.rejectValue("name", "branch.name.exists"); //$NON-NLS-1$ //$NON-NLS-2$
        }

        if (bindingResult.hasErrors()) {
            return "/project/branch/edit"; //$NON-NLS-1$
        }

        ILockedRepository repo = null;
        try {
            repo = globalRepositoryManager.createProjectBranchRepository(form.getProjectName(), form.getName(),
                    form.getStartingBranch());
        } finally {
            Closeables.closeQuietly(repo);
        }

        if (firstBranch) {
            Page page = Page.fromText("Home", StringUtils.EMPTY); //$NON-NLS-1$
            User user = userStore.getUser(authentication.getName());
            pageStore.savePage(form.getProjectName(), form.getName(), DocumentrConstants.HOME_PAGE_NAME, page, null,
                    user);
            return "redirect:/page/edit/" + form.getProjectName() + "/" + form.getName() + //$NON-NLS-1$ //$NON-NLS-2$
                    "/" + DocumentrConstants.HOME_PAGE_NAME; //$NON-NLS-1$
        }

        return "redirect:/page/" + form.getProjectName() + "/" + form.getName() + //$NON-NLS-1$ //$NON-NLS-2$
                "/" + DocumentrConstants.HOME_PAGE_NAME; //$NON-NLS-1$
    }

    @ModelAttribute
    public BranchForm createBranchForm(@PathVariable String projectName,
            @RequestParam(required = false) String name, @RequestParam(required = false) String startingBranch) {

        return (name != null) ? new BranchForm(projectName, name, startingBranch) : null;
    }
}