de.blizzy.documentr.web.project.ProjectController.java Source code

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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.project;

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

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 org.springframework.web.bind.annotation.ResponseBody;

import de.blizzy.documentr.DocumentrConstants;
import de.blizzy.documentr.access.User;
import de.blizzy.documentr.access.UserStore;
import de.blizzy.documentr.repository.IGlobalRepositoryManager;
import de.blizzy.documentr.repository.ILockedRepository;
import de.blizzy.documentr.util.Util;

@Controller
@RequestMapping("/project")
public class ProjectController {
    @Autowired
    private IGlobalRepositoryManager globalRepositoryManager;
    @Autowired
    private UserStore userStore;

    @RequestMapping(value = "/{name:" + DocumentrConstants.PROJECT_NAME_PATTERN + "}", method = RequestMethod.GET)
    @PreAuthorize("hasProjectPermission(#name, VIEW)")
    public String getProject(@PathVariable String name, Model model) {
        model.addAttribute("name", name); //$NON-NLS-1$
        model.addAttribute("originalName", name); //$NON-NLS-1$
        return "/project/view"; //$NON-NLS-1$
    }

    @RequestMapping(value = "/create", method = RequestMethod.GET)
    @PreAuthorize("hasApplicationPermission(EDIT_PROJECT)")
    public String createProject(Model model) {
        ProjectForm form = new ProjectForm(null, null);
        model.addAttribute("projectForm", form); //$NON-NLS-1$
        return "/project/edit"; //$NON-NLS-1$
    }

    @RequestMapping(value = "/edit/{name:" + DocumentrConstants.PROJECT_NAME_PATTERN
            + "}", method = RequestMethod.GET)
    @PreAuthorize("hasProjectPermission(#name, EDIT_PROJECT)")
    public String editProject(@PathVariable String name, Model model) {
        ProjectForm form = new ProjectForm(name, name);
        model.addAttribute("projectForm", form); //$NON-NLS-1$
        return "/project/edit"; //$NON-NLS-1$
    }

    @RequestMapping(value = "/save", method = RequestMethod.POST)
    @PreAuthorize("projectExists(#form.name) ? " + "hasProjectPermission(#form.name, EDIT_PROJECT) : "
            + "hasApplicationPermission(EDIT_PROJECT)")
    public String saveProject(@ModelAttribute @Valid ProjectForm form, BindingResult bindingResult,
            Authentication authentication) throws IOException, GitAPIException {

        String name = form.getName();
        String originalName = form.getOriginalName();
        List<String> projects = globalRepositoryManager.listProjects();
        if (StringUtils.isNotBlank(originalName)) {
            if (!projects.contains(originalName)) {
                bindingResult.rejectValue("originalName", "project.name.nonexistent"); //$NON-NLS-1$ //$NON-NLS-2$
            }
            if (!StringUtils.equals(name, originalName) && projects.contains(name)) {

                bindingResult.rejectValue("name", "project.name.exists"); //$NON-NLS-1$ //$NON-NLS-2$
            }
        } else {
            if (projects.contains(name)) {
                bindingResult.rejectValue("name", "project.name.exists"); //$NON-NLS-1$ //$NON-NLS-2$
            }
        }

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

        User user = userStore.getUser(authentication.getName());

        if (StringUtils.isNotBlank(originalName) && !StringUtils.equals(name, originalName)) {

            globalRepositoryManager.renameProject(originalName, name, user);
        } else if (StringUtils.isBlank(originalName)) {
            ILockedRepository repo = null;
            try {
                repo = globalRepositoryManager.createProjectCentralRepository(name, user);
            } finally {
                Util.closeQuietly(repo);
            }
        }
        return "redirect:/project/" + name; //$NON-NLS-1$
    }

    @RequestMapping(value = "/importSample/{name:" + DocumentrConstants.PROJECT_NAME_PATTERN
            + "}/json", method = RequestMethod.GET)
    @PreAuthorize("hasProjectPermission(#name, ADMIN)")
    @ResponseBody
    public Map<String, Object> importSampleContents(@PathVariable String name) throws IOException, GitAPIException {
        globalRepositoryManager.importSampleContents(name);
        return Collections.emptyMap();
    }

    @RequestMapping(value = "/delete/{name:" + DocumentrConstants.PROJECT_NAME_PATTERN
            + "}", method = RequestMethod.GET)
    @PreAuthorize("hasApplicationPermission(EDIT_PROJECT)")
    public String deleteProject(@PathVariable String name, Authentication authentication) throws IOException {
        User user = userStore.getUser(authentication.getName());
        globalRepositoryManager.deleteProject(name, user);
        return "redirect:/projects"; //$NON-NLS-1$
    }

    @ModelAttribute
    public ProjectForm createProjectForm(@RequestParam(required = false) String name,
            @RequestParam(required = false) String originalName) {
        return (name != null) ? new ProjectForm(name, originalName) : null;
    }
}