routes-project.js

const fs = require('fs')
//const SamlStrategy = require('passport-saml').Strategy
const dbconn = require('./dbconn')
const methods = require('./methods')
// pwd encryption
//const bcrypt = require('bcryptjs');
//const saltRounds = 10;
//const salt = 64; // salt length
// forgot pwd
const async = require('async')
//const crypto = require('crypto')
//const mailer = require('./mailer')

const helpers = require('./helpers')
const pictSizeLimit = 1000000 // 1 MB
const axios = require('axios')

module.exports = function (app) {
 
  // ======== APP ROUTES - PROJECT ====================
  var lang = 'DE'

  app.get('/mailinglists', function (req, res) {
    async.waterfall([
        function(done) {
            methods.getAllMailinglists(function(mailinglistOverview, err) {
                if (!err) {
                    done(err, mailinglistOverview)
                }
            })
        },
        // create JSON object of mailinglists for front-end
        function(mailinglistOverview, done) {
            var allMailingLists = []  // JSON object
            for (let i = 0; i < mailinglistOverview.length; i++) {
                // add data to JSON object
                allMailingLists.push({
                    id: mailinglistOverview[i].id,
                    name: mailinglistOverview[i].name,
                    src: mailinglistOverview[i].src,
                    projectstatus: mailinglistOverview[i].projectstatus,
                    project_title: mailinglistOverview[i].project_title,
                    keywords: mailinglistOverview[i].keywords
                });
            }

            res.render(lang+'/project/mailinglists', {
                isUserAuthenticated: req.isAuthenticated(),
                user: req.user,
                mailinglists: allMailingLists
            });
        }
    ])
  })
/*
  app.get('/project_', function (req, res) {
    async.waterfall([
      // get all projects from projectdb
      function(done) {
        methods.getAllProjects(function(projectsOverview, err) {
          if (!err) {
            done(err, projectsOverview)
          }
        })
      },
      // create JSON object for front-end
      function(projectsOverview, done) {
        var activeProjects = []
        var nonActiveProjects = []

        for (var i = 0; i < projectsOverview.length; i++) {
          var project = {
            id: projectsOverview[i].id,
            logo: projectsOverview[i].logo,
            akronym: projectsOverview[i].pname,
            title: projectsOverview[i].title,
            summary: projectsOverview[i].onelinesummary,
            category: projectsOverview[i].category,
            cp: projectsOverview[i].contact_email,
            gitlab: projectsOverview[i].gitlab
          }
          if (projectsOverview[i].projectstatus == 0) {
            nonActiveProjects.push(project)
          }
          else if (projectsOverview[i].projectstatus == 1) {
            activeProjects.push(project)
          }
        }

        // render the page
        if (req.isAuthenticated()) {
          res.render(lang+'/project/projects', {
            isUserAuthenticated: true,
            nonActive: nonActiveProjects,
            active: activeProjects
          });
        }
        else {
          res.render(lang+'/project/projects', {
            isUserAuthenticated: false,
            nonActive: nonActiveProjects,
            active: activeProjects
          });
        }
      }
    ])
  })
*/
  app.get('/', function (req, res) {
    res.render(lang+'/project/project-simplified', {
       isUserAuthenticated: req.isAuthenticated(),
       user: req.user
    });
  })
/*
  app.get('/addprojectoverview', function (req, res) {
    if (req.isAuthenticated()) {
      res.render(lang+'/project/addProjectOverview')
    }
    else {
      res.redirect('/login')
    }
  })
  
  app.post('/addprojectoverview__', function (req, res) {
    if (req.isAuthenticated()) {
      var wiki = 0
      if (req.body.wiki)
        wiki = 1

      var projectTerm = req.body.termForm + " - " + req.body.termTo
      var projectOverviewData = {
        pname: req.body.pname,
        title: req.body.title,
        onelinesummary: req.body.summary,
        category: req.body.category,
        logo: req.body.logo,
        gitlab: req.body.gitlabURL,
        wiki: wiki,
        overview: req.body.overview,
        question: req.body.question,
        approach: req.body.approach,
        result: req.body.result,
        keywords: req.body.keywords,
        announcement: req.body.announcement,
        term: projectTerm,
        further_details: req.body.furtherDetails,
        website: req.body.website,
        src: req.body.src,
        caption: req.body.caption,
        contact_lastname: req.body.contactName,
        contact_email: req.body.contactEmail,
        leader_lastname: req.body.leaderName,
        leader_email: req.body.leaderEmail
      }
      
      methods.addProjectOverview(projectOverviewData, function(err){
        if (err) {
          //req.flash('error', "Failed")
          req.flash('error', "Fehlgeschlagen")
          res.redirect('/addProjectOverview');
        }
        else {
          req.flash('success', 'Your project has been created.')
          res.redirect('/project');
        }
      })
    }
  })

  app.post('/addprojectoverview', function (req, res) {
    if (req.isAuthenticated()) {
      var wiki = 0
      if (req.body.wiki)
        wiki = 1

      var projectLogo = req.files.logo
      var projectPicture = req.files.src
      var projectLogoPath, projectPicturePath
      
      if (projectLogo) {
        // raise error if size limit is exceeded
        if (projectLogo.size === pictSizeLimit) {
          req.flash('error', 'Projektlogo exceeds 1 MB');
          res.redirect('/addprojectoverview');
        }
        else {
          // TEST PATH FOR DEVELOPMENT (LOCALHOST)
          projectLogoPath = './folder-in-server-to-save-projektlogo/'+req.body.pname+'/'+projectLogo.name
          // PATH FOR TEST/LIVE SERVER
          // var projectLogoPath = to-be-defined
        }
      }
      if (projectPicture) {
        // raise error if size limit is exceeded
        if (projectPicture.size === pictSizeLimit) {
          req.flash('error', 'Projektbild exceeds 1 MB');
          res.redirect('/addprojectoverview');
        }
        else {
          // TEST PATH FOR DEVELOPMENT (LOCALHOST)
          projectPicturePath = './folder-in-server-to-save-projektbild/'+req.body.pname+'/'+projectPicture.name
          // PATH FOR TEST/LIVE SERVER
          // var projectPicturePath = to-be-defined
        }
        
      }
      
      var projectTerm = req.body.termForm + " - " + req.body.termTo
      var projectOverviewData = {
        pname: req.body.pname,
        title: req.body.title,
        onelinesummary: req.body.summary,
        category: req.body.category,
        logo: projectLogoPath,
        gitlab: req.body.gitlabURL,
        wiki: wiki,
        overview: req.body.overview,
        question: req.body.question,
        approach: req.body.approach,
        result: req.body.result,
        keywords: req.body.keywords,
        announcement: req.body.announcement,
        term: projectTerm,
        further_details: req.body.furtherDetails,
        website: req.body.website,
        src: projectPicturePath,
        caption: req.body.caption,
        contact_lastname: req.body.contactName,
        contact_email: req.body.contactEmail,
        leader_lastname: req.body.leaderName,
        leader_email: req.body.leaderEmail
      }
      
      // save pictures
      if (projectLogo) {
        projectLogo.mv(projectLogoPath, function(err) {
          if (err) {
            console.error(err)
            res.status(500).render(lang+'/500', {
              error: err
            })
          }
        });
      }
      if (projectPicture) {
        projectPicture.mv(projectPicturePath, function(err) {
          if (err) {
            console.error(err)
            res.status(500).render(lang+'/500', {
              error: err
            })
          }
        });
      }

      // RS: Temporary solution while Project DB is still in early phase.
      //        When User DB and Project DB are integrated and quite stabil, this operation should be done in 1 transaction.
      
      var userId // todo: make this global variable?
      async.waterfall([
        // get userId by email from userdb
        function(done) {
          methods.getUserIdByEmail(req.user.email, function(id, err) {
            if (!err) {
              userId = id
              done(err)
            }
          })
        },
        // add project overview
        function(done) {
          methods.addProjectOverview(projectOverviewData, function(data, err){
            if (err) {
              res.status(500).render(lang+'/500', {
                error: err
              })
            }
            else {
              done(err, data.insertId)
            }
          })
        },
        // assign the created overview to logged-in user
        function(projectOverviewId, done) {
          var userProjectRoleData = {
            project_id: projectOverviewId,
            user_id: userId,
            role_id: 3 // OVERVIEW_CREATOR
          }
          methods.addUserProjectRole(userProjectRoleData, function(userProjects, err) {
            if (err) {
              //req.flash('error', "Failed")
              req.flash('error', "Fehlgeschlagen")
              res.redirect('/addProjectOverview');
            }
            else {
              req.flash('success', 'Your project has been created.')
              res.redirect('/project');
            }
          })
        }
      ])
    }
  })

  app.get('/updateprojectoverview', function (req, res) {
    // only their own project
  })

  app.post('/updateprojectoverview', function (req, res) {
    // only their own project
  })
*/
  app.get('/projectoverview', function(req, res){
    async.waterfall([
      function(done) {
        methods.getProjectOverviewById(req.query.projectID, function(projectOverview, err) {
          if (!err) {
            done(err, projectOverview)
          }
        })
      },
      function(projectOverview,done){
        methods.getProjectImagesById(req.query.projectID, function(projectImages, err) {
          if (!err) {
            done(err, projectImages, projectOverview)
          }
        })
      },
      // render projectOverview page
      function(projectImages, projectOverview, done) {
        console.log(projectImages)
        partnerWebsites = helpers.stringToArray(projectOverview[0].partner_website)
        partnerNames = helpers.stringToArray(projectOverview[0].partner_name)
        awardSites = helpers.stringToArray(projectOverview[0].award_website)
        awardNames = helpers.stringToArray(projectOverview[0].award_name)
        sponsorWebsites = helpers.stringToArray(projectOverview[0].sponsor_website)
        sponsorImgs = helpers.stringToArray(projectOverview[0].sponsor_img)
        sponsorNames = helpers.stringToArray(projectOverview[0].sponsor_name)

        res.render(lang+'/project/projectOverview', {
          isUserAuthenticated: req.isAuthenticated(),
          user: req.user,
          projectOV: projectOverview,
          projectImgs: projectImages,
          partnerWS: partnerWebsites,
          partnerN: partnerNames,
          awardWS: awardSites,
          awardN: awardNames,
          sponsorWS: sponsorWebsites,
          sponsorIMG: sponsorImgs,
          sponsorN: sponsorNames
        });
      }
    ])
  })

  async function getProjectsFromGitlab(perPage, idAfter) {
    // public projects
    return await axios.get('https://transfer.hft-stuttgart.de/gitlab/api/v4/projects?visibility=public&pagination=keyset&per_page='+perPage+'&order_by=id&sort=asc&id_after='+idAfter)
  }

  app.get('/projectlist', async function(req, res){
    let projectArr = []
    let isProject = true
    let firstId = 0

    while (isProject == true) {
      let projects = await getProjectsFromGitlab(10, firstId)
      let projectData = projects.data

      if (projectData.length == 0) {
        isProject = false
      }
      else {
        for(let i = 0; i < projectData.length; i++){
          //console.log(projectData[i].id)
          if (projectData[i].avatar_url == null) {
            projectData[i].avatar_url = "https://m4lab.hft-stuttgart.de/img/footer/M4_LAB_LOGO_Graustufen.png"
          }
          let project = {
            logo: projectData[i].avatar_url,
            name: projectData[i].name,
            weburl: projectData[i].web_url,
            desc: projectData[i].description
          }
          projectArr.push(project)
        }

        firstId = projectData[projectData.length-1].id
        //console.log('firstId: '+firstId)
      }
      
    }
    res.render(lang+'/project/projectList', {
      project: projectArr
      // http://pagination.js.org
    })
/*
    let projects = await getProjectsFromGitlab(10, 0)
    let projectData = projects.data

    for(let i = 0; i < projectData.length; i++){
      console.log(projectData[i].name)
      if (projectData[i].avatar_url == null) {
        projectData[i].avatar_url = "https://m4lab.hft-stuttgart.de/img/footer/M4_LAB_LOGO_Graustufen.png"
      }
      let project = {
        logo: projectData[i].avatar_url,
        name: projectData[i].name,
        weburl: projectData[i].web_url,
        desc: projectData[i].description
      }
      projectArr.push(project)
    }

    res.render(lang+'/project/projectList', {
      project: projectArr
    })
    */
/*
      request.get('https://transfer.hft-stuttgart.de/gitlab/api/v4/projects?pagination=keyset&per_page=100&order_by=id&sort=asc&id_after='+firstId, function(error, response, body){
        if(!error) {
          let result = JSON.parse(body)

          if (result.length == 1) {
            marker = true
          }
          else {
            firstId = result[9].id
            console.log(firstId)
          }
          
          for(let i = 0; i < result.length; i++){
            if (result[i].avatar_url == null) {
              result[i].avatar_url = "https://m4lab.hft-stuttgart.de/img/footer/M4_LAB_LOGO_Graustufen.png"
            }
            let project = {
              logo: result[i].avatar_url,
              name: result[i].name,
              weburl: result[i].web_url,
              desc: result[i].description
            }
            projectArr.push(project)
          }
          
        }
      })

    res.render(lang+'/project/projectList', {
      project: projectArr
    })
    */
  })

};