cdn-experiments/ccp/js/methodlistcontroller.js

class CCPMethodList extends HTMLElement{
  
    #boot;
    #rootdoc;
    #data = null;
    #filtered;
    #dragged = null;
    #searchfield = null;
    #allowedit = false;
    #allowexecute = false;
    
    #serviceurl; 
     
    constructor(){
      super()
      this.#boot = document.querySelector("d4s-boot-2")
      this.#serviceurl = this.getAttribute("serviceurl")
      this.#rootdoc = this.attachShadow({ "mode" : "open"})
      this.render()
      this.fetchProcesses()
    }
  
    render(){
      this.#rootdoc.innerHTML = `
        <link rel="stylesheet" href="https://cdn.dev.d4science.org/ccp/css/common.css"></link>
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
        <style>
          .ccp-process-category-list{
            list-style:none;
            padding-left: 0;
          }
          .ccp-process-category{
            user-select: none;
          }
          .ccp-process-list{
            list-style:none;
          }
          .ccp-process {
            
          }
        </style>
        <template id="PROCESS_LIST_TEMPLATE">
          <ul name="process_category_list" class="border border-2 list-group ccp-process-category-list">
            <li class="list-group-item list-group-item-dark ccp-process-category">
              <details>
                <summary>
                  <h5 class="d-inline mr-2 text-primary"></h5>
                  <div class="float-right d-flex" style="gap:2px">
                    <span name="count_notexecutables" title="Number of non executable versions" class="badge border border-danger text-danger"></span>
                    <span name="count_executables" title="Number of executable versions" class="badge border border-success text-success"></span>
                    <button name="export_category" title="Export all versions" class="btn btn-primary ccp-toolbar-button ccp-toolbar-button-small">
                        <svg viewBox="0 0 24 24"><g><rect fill="none" height="24" width="24"/></g><g><path d="M18,15v3H6v-3H4v3c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2v-3H18z M17,11l-1.41-1.41L13,12.17V4h-2v8.17L8.41,9.59L7,11l5,5 L17,11z"/></g></svg>
                    </button>                    
                  </div>
                </summary>
                <ul name="process_list" class="list-group ccp-process-list">
                  <li class="d-flex list-group-item list-group-item-secondary ccp-process p-2 my-1" style="flex-direction: column; gap:5px" draggable="true">
                    <div>
                      <span name="version" class="badge badge-primary"></span>
                      <span name="author" class="badge badge-warning"></span>
                      <div class="float-right d-flex" style="gap:3px">
                        <button name="executable" title="Execute" class="btn btn-success ccp-toolbar-button ccp-toolbar-button-small">
                          <svg viewBox="0 0 48 48" style="fill:white; stroke:white">
                            <path d="M10,10 v28 L38,24 Z"/>
                          </svg>
                        </button>
                        <button name="export_method" title="Export this version" class="btn btn-primary ccp-toolbar-button ccp-toolbar-button-small">
                          <svg viewBox="0 0 24 24"><g><rect fill="none"/></g><g><path d="M18,15v3H6v-3H4v3c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2v-3H18z M17,11l-1.41-1.41L13,12.17V4h-2v8.17L8.41,9.59L7,11l5,5 L17,11z"/></g></svg>
                        </button>
                        <button name="edit" title="Edit" class="btn btn-primary ccp-toolbar-button ccp-toolbar-button-small">
                          <svg viewBox="0 0 48 48">
                            <path d="M9 39h2.2l22.15-22.15-2.2-2.2L9 36.8Zm30.7-24.3-6.4-6.4 2.1-2.1q.85-.85 2.1-.85t2.1.85l2.2 2.2q.85.85.85 2.1t-.85 2.1Zm-2.1 2.1L12.4 42H6v-6.4l25.2-25.2Zm-5.35-1.05-1.1-1.1 2.2 2.2Z"/>
                          </svg>
                        </button>
                      </div>
                    </div>
                    <p class="m-0 p-0 small" name="description"></p>
                    <div>
                      <span name="keyword" class="badge badge-pill badge-light border border-dark mr-1" style="opacity:.6"></span>
                    </div>
                    <div>
                      <span name="infrastructures" class="badge badge-light text-info border border-info mr-1"></span>
                    </div>
                  </li>
                </ul>
              </details>
            </li>
          </ul>
        </template>
        <div class="card">
          <div class="card-header" style="padding:0.5rem">
            <div class="ccp-toolbar-header">
              <div>
                <span name="header" class="mr-2">List of available methods</span>        
              </div>
              <div class="ccp-toolbar-right">  
                <button name="refresh" class="btn btn-primary ccp-toolbar-button" title="Refresh">
                  <svg viewBox="0 0 48 48"><path d="M24 40q-6.65 0-11.325-4.675Q8 30.65 8 24q0-6.65 4.675-11.325Q17.35 8 24 8q4.25 0 7.45 1.725T37 14.45V8h3v12.7H27.3v-3h8.4q-1.9-3-4.85-4.85Q27.9 11 24 11q-5.45 0-9.225 3.775Q11 18.55 11 24q0 5.45 3.775 9.225Q18.55 37 24 37q4.15 0 7.6-2.375 3.45-2.375 4.8-6.275h3.1q-1.45 5.25-5.75 8.45Q29.45 40 24 40Z"/></svg>
                </button>               
              </div>
            </div>
          </div>
          <div class="card-body">
            <div class="mb-3">
              <input type="text" name="search" class="form-control" placeholder="Search"/> 
            </div>
            <div>
              <ul name="process_category_list"></ul>
            </div>
          </div>
        </div>
      `
      
      this.#rootdoc.querySelector("button[name=refresh]").addEventListener("click", ev=>{
        this.fetchProcesses()  
      })
      
      this.#searchfield = this.#rootdoc.querySelector("input[name=search]")
      this.#searchfield.addEventListener("input", ev=>{
        this.updateList()
      })
    }
  
    connectedCallback(){
      this.#allowedit = this.getAttribute("allow-edit") === "true"
      this.#allowexecute = this.getAttribute("allow-execute") === "true"
    }
  
    fetchProcesses(){
      console.log("Calling fetch processes")
      this.#boot.secureFetch(this.#serviceurl + "/methods").
      then(resp=>{
        return resp.json()
      }).then(data=>{
        this.#data = data
        this.updateList()
        return this.fetchInfrastructures()
      }).then(d => {
        this.updateList()
      }).catch(err=>{
        alert("Error while downloading methods")
        console.error("Error while downloading methods: " + err)
      })
    }
    
    fetchInfrastructures(){
      const url = this.#serviceurl + "/infrastructures"
      this.#boot.secureFetch(url).
      then(resp=>{
        if(resp.status !== 200) throw "Unable to fetch infrastructures " + resp.status;
        else return resp.json()
      }).then(infras=>{
        for(let m=0; m < this.#data.length; m++){
          const method = this.#data[m]
          method["executable"] = false
          for(let i=0; i < infras.length; i++){
            const infra = infras[i]
            const matches = method.links.filter(l => l.rel === "compatibleWith" && l.href === "infrastructures/" + infra.id)
            if(matches.length > 0){
              method["executable"] = true
              break
            } 
          }
        }
        this.updateList()
      }).catch(err=>{
        alert("Error while checking runtimes for method")
        console.error("Error while checking runtimes for method: " + err)
      })
    }
    
    updateList(){
      const filter = this.#searchfield.value
      if(filter === "" || filter == null || filter == undefined){
        this.#filtered = this.#data
      }else{
        const f = filter.toLowerCase()
        this.#filtered = this.#data.filter(d=>{
          return false || 
            (d.title.toLowerCase().indexOf(f) !== -1)|| 
            (d.description.indexOf(f) !== -1) ||
            (d.keywords.map(k=>k.toLowerCase()).filter(i=>i.indexOf(f) !== -1)).length
        })
      }
      this.groupBy()
      BSS.apply(this.#process_list_bss, this.#rootdoc)
    }
    
    groupBy(){
      this.#filtered = this.#filtered.reduce((catalog, meth)=>{
        const category = meth.title
        catalog[category] = catalog[category] ?? []
        catalog[category].push(meth)
        return catalog
      }, {})
    }
    
    getCategoryHints(){
      const s = new Set()
      if(this.#data === null) return [];
      for(let i=0; i < this.#data.length; i++){
        const cat = this.#data[i].metadata.filter(md=>md.role === "category").map(md=>md.title)
        s.add(cat)
      }
      return [...s]
    }
    
    exportCategory(category){
      Promise.all(
        this.#filtered[category].map(m=>this.exportMethod(m.id))
      )
    }
    
    exportMethod(method){
      this.#boot.secureFetch(this.#serviceurl + "/methods/" + method + "/shareable").then(
        (resp)=>{
          if(resp.status === 200){
            return resp.json()
          }else throw "Error exporting sharable process: " + resp.status
        }
      ).then(data=>{
        const filename = data.title + "-" + data.version + ".json"
        const datastr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(data));
        var tmplnk = document.createElement("a")
        tmplnk.download = filename
        tmplnk.href = datastr
        document.body.appendChild(tmplnk)
        tmplnk.click()
        document.body.removeChild(tmplnk)
      }).catch(err=>{
        console.log(err)
      })
    }
    
    importMethods(files){
      if(files && files.length) {
        let formdata = new FormData();
        files.reduce((formdata, f)=>{
          formdata.append("files[]", f)
          return formdata
        }, formdata)
        this.#boot.secureFetch(`${this.#serviceurl}/methods`, { body: formdata, method : "POST"})
        .then(reply=>{
          if (reply.status !== 200) {
            throw "Unable to import" 
          }else return reply.text()
        }).then(data=>{
          this.fetchProcesses()
        }).catch(err=>{ alert(err) })
      }
    }
    
    #process_list_bss = {
      template : "#PROCESS_LIST_TEMPLATE",
      target : "ul[name=process_category_list]",
      "in" : this,
      on_dragover : (ev)=> ev.preventDefault(),
      on_dragenter : (ev)=> ev.target.classList.toggle("border-info"),
      on_dragleave : (ev)=> ev.target.classList.toggle("border-info"),
      on_drop : (ev)=>{
        if(ev.dataTransfer && ev.dataTransfer.files && ev.dataTransfer.files.length){
          const files = Array.prototype.slice.call(ev.dataTransfer.files)
          const jsons = files.filter(f=>f.type === "application/json")
          if(confirm("Confirm import of method files?")){
            this.importMethods(files)
          }
          ev.preventDefault()
          ev.stopPropagation()
        }
        ev.target.classList.toggle("border-info")
      },
      recurse : [
        {
          target : "li.ccp-process-category",
          "in" : (e,d)=>Object.keys(this.#filtered),
          on_click : ev=>{
            if(ev.target.getAttribute("name") === "export_category"){
              this.exportCategory(ev.currentTarget.bss_input.data)
            }
          },
          recurse : [
            {
              target : "summary",
              apply : (e,d)=>{ 
                const executables = this.#filtered[d].filter(m=>m.executable).length
                e.querySelector("h5").textContent = d
                e.querySelector("span[name=count_notexecutables]").textContent = this.#filtered[d].length - executables 
                e.querySelector("span[name=count_executables]").textContent = executables 
              }
            },
            {
              target : "details",
              apply : (e,d)=>{
                e.alt = e.title = d
                if(sessionStorage.getItem(d) === "open") e.open = "open";
                else e.removeAttribute("open");
              },
              on_toggle : ev=>{
                if(ev.target.open){
                  sessionStorage.setItem(ev.currentTarget.alt, 'open')
                }else{
                  sessionStorage.removeItem(ev.currentTarget.alt)
                }
              }
            },
            {
              target : "details ul[name=process_list]",
              in : (e,d)=>d,
              recurse: [
                {
                  target : "li.ccp-process",
                  "in" : (e,d)=>this.#filtered[d],
                  on_click : ev=>{
                    const id = ev.currentTarget.bss_input.data.id
                    if(ev.target.getAttribute("name") === "export_method"){
                      this.exportMethod(id)
                    }else  if(ev.target.getAttribute("name") === "executable"){
                      const event = new CustomEvent('newexecutionrequest', { detail: id });
                      document.dispatchEvent(event)
                    }else  if(ev.target.getAttribute("name") === "edit"){
                      const event = new CustomEvent('neweditrequest', { detail: ev.currentTarget.bss_input.data });
                      document.dispatchEvent(event)
                    }
                  },
                  on_dragstart : ev=>{
                    ev.dataTransfer.effectAllowed = 'move'
                    ev.dataTransfer.setData('text/html', ev.currentTarget.innerHTML)
                    ev.dataTransfer.setData('text/plain+ccpmethod', ev.currentTarget.bss_input.data.id)
                    ev.dataTransfer.setData('application/json+ccpmethod', JSON.stringify(ev.currentTarget.bss_input.data))
                  },
                  on_dragend : ev=>{
                    ev.preventDefault()
                  },
                  recurse : [
                    {
                      target: "span[name=version]",
                      apply : (e,d)=>{ e.textContent = d.version }
                    },
                    {
                      target: "button[name=executable]",
                      apply : (e,d)=>{ e.style.display = d.executable && this.#allowexecute ? "revert" : "none" }
                    },
                    {
                      target: "button[name=edit]",
                      apply : (e,d)=>{ e.style.display = this.#allowedit ? "revert" : "none" }
                    },
                    {
                      target : "span[name=author]",
                      "in" : (e,d)=>d.metadata.filter(md=>md.role === "author"),
                      apply : (e,d)=>{ e.textContent = d.title; e.alt = e.title = "author" }
                    },
                    {
                      target : "span[name=keyword]",
                      "in" : (e,d)=>d.keywords,
                      apply : (e,d)=>{ e.alt = e.title = e.textContent = d }
                    },
                    {
                      target : "span[name=infrastructures]",
                      "in" : (e,d)=>d.links.filter(md=>md.rel === "compatibleWith"),
                      apply : (e,d)=>{ e.alt = e.title = e.textContent = d.title }
                    },
                    {
                      target : "p[name=description]",
                      apply : (e,d)=>{ e.textContent = d.description }
                    },
                  ]
                }
              ] 
            }
          ]
        }  
      ]
    }  
  }
  
window.customElements.define('d4s-ccp-methodlist', CCPMethodList);