MVP

Change-Id: Ib590302f49e7e66f8d04841fb6cb97baf623f51a
Signed-off-by: Justin Choquette <jchoquette@iol.unh.edu>

4 files changed, 116 insertions, 43 deletions

diff --git a/src/static/js/workflows/book-a-pod.js b/src/static/js/workflows/book-a-pod.js
index 3f83849..ddea556 100644
--- a/src/static/js/workflows/book-a-pod.js
+++ b/src/static/js/workflows/book-a-pod.js
@@ -6,13 +6,13 @@ const steps = {
     SELECT_TEMPLATE: 0,
     CLOUD_INIT: 1,
     BOOKING_DETAILS: 2,
-    ADD_COLLABS: 3,
-    BOOKING_SUMMARY: 4
+    ADD_COLLABS: 2,
+    BOOKING_SUMMARY: 3
   }
 
   class BookingWorkflow extends Workflow {
     constructor(savedBookingBlob) {
-        super(["select_template", "cloud_init", "booking_details" ,"add_collabs", "booking_summary"])
+        super(["select_template", "cloud_init", "booking_details" , "booking_summary"])
 
         // if (savedBookingBlob) {
         //     this.resume_workflow()
@@ -24,7 +24,12 @@ const steps = {
 
     async startWorkflow() {
         this.userTemplates = await LibLaaSAPI.getTemplatesForUser() // List<TemplateBlob>
-        GUI.displayTemplates(this.userTemplates);
+        const flavorsList = await LibLaaSAPI.getLabFlavors("UNH_IOL")
+        this.labFlavors = new Map(); // Map<UUID, FlavorBlob>
+        for (const fblob of flavorsList) {
+            this.labFlavors.set(fblob.flavor_id, fblob);
+        }
+        GUI.displayTemplates(this.userTemplates, this.labFlavors);
         GUI.modifyCollabWidget();
         this.setEventListeners();
         document.getElementById(this.sections[0]).scrollIntoView({behavior: 'smooth'});
@@ -240,28 +245,35 @@ const steps = {
 
     /** Async / await is more infectious than I thought, so all functions that rely on an API call will need to be async */
     async onclickConfirm() {
+        // disable button
+        const button = document.getElementById("booking-confirm-button");
+        $("html").css("cursor", "wait");
+        button.setAttribute('disabled', 'true');
         const complete = this.isCompleteBookingInfo();
         if (!complete[0]) {
-            showError(complete[1]);
-            this.step = complete[2]
-            document.getElementById(this.sections[complete[2]]).scrollIntoView({behavior: 'smooth'});
+            showError(complete[1], complete[2]);
+            $("html").css("cursor", "default");
+            button.removeAttribute('disabled');
             return
         }
 
         const response = await LibLaaSAPI.makeBooking(this.bookingBlob);
+        if (!response) {
+            showError("The selected resources for this booking are unavailable at this time. Please select a different resource or try again later.", -1)
+        }
         if (response.bookingId) {
-            showError("The booking has been successfully created.")
-            window.location.href = "../../";
+            showError("The booking has been successfully created.", -1)
+            window.location.href = "../../booking/detail/" + response.bookingId + "/"; // todo
+            return;
         } else {
-            if (response.status == 406) {
-                showError("One or more collaborators is missing SSH keys or has not configured their IPA account.")
+            if (response.error == true) {
+                showError(response.message, -1)
             } else {
-                showError("The booking could not be created at this time.")
+                showError("The booking could not be created at this time.", -1)
             }
         }
-        // if (confirm("Are you sure you would like to create this booking?")) {
-
-        // }
+        $("html").css("cursor", "default");
+        button.removeAttribute('disabled');
     }
   }
 
@@ -288,16 +300,45 @@ class GUI {
     }
 
     /** Takes a list of templateBlobs and creates a selectable card for each of them */
-    static displayTemplates(templates) {
+    static displayTemplates(templates, flavor_map) {
         const templates_list = document.getElementById("default_templates_list");
 
         for (const t of templates) {
-            const newCard = this.makeTemplateCard(t);
+            const newCard = this.makeTemplateCard(t, this.calculateAvailability(t, flavor_map));
             templates_list.appendChild(newCard);
         }
     }
 
-    static makeTemplateCard(templateBlob) {
+    static calculateAvailability(templateBlob, flavor_map) {
+        const local_map = new Map()
+  
+        // Map flavor uuid to amount in template
+        for (const host of templateBlob.host_list) {
+            const existing_count = local_map.get(host.flavor)
+            if (existing_count) {
+                local_map.set(host.flavor, existing_count + 1)
+            } else {
+                local_map.set(host.flavor, 1)
+            }
+        }
+  
+        let lowest_count = Number.POSITIVE_INFINITY;
+        for (const [key, val] of local_map) {
+            const curr_count =  Math.floor(flavor_map.get(key).available_count / val)
+            if (curr_count < lowest_count) {
+                lowest_count = curr_count;
+            }
+        }
+  
+        return lowest_count;
+      }
+
+    static makeTemplateCard(templateBlob, available_count) {
+        const isAvailable = available_count > 0;
+        let availability_text = isAvailable ? 'Resources Available' : 'Resources Unavailable';
+        let color = isAvailable ? 'text-success' : 'text-danger';
+        let disabled = !isAvailable ? 'disabled = "true"' : '';
+
         const col = document.createElement('div');
         col.classList.add('col-3', 'my-1');
         col.innerHTML=  `
@@ -307,9 +348,10 @@ class GUI {
             </div>
             <div class="card-body">
                 <p class="grid-item-description">` + templateBlob.pod_desc +`</p>
+                <p class="grid-item-description ` + color + `">` + availability_text + `</p>
             </div>
             <div class="card-footer">
-                <button type="button" class="btn btn-success grid-item-select-btn w-100 stretched-link" 
+                <button type="button"` + disabled + ` class="btn btn-success grid-item-select-btn w-100 stretched-link" 
                 onclick="workflow.onclickSelectTemplate(this.parentNode.parentNode, '` + templateBlob.id +`')">Select</button>
             </div>
           </div>
diff --git a/src/static/js/workflows/common-models.js b/src/static/js/workflows/common-models.js
index 65fedb1..dc479c2 100644
--- a/src/static/js/workflows/common-models.js
+++ b/src/static/js/workflows/common-models.js
@@ -169,11 +169,16 @@ class FlavorBlob {
         this.flavor_id = incomingBlob.flavor_id; // UUID (String)
         this.name = incomingBlob.name; // String
         this.interfaces = []; // List<String>
-        // images are added after
+        this.images = []; // List<ImageBlob>
+        this.available_count = incomingBlob.available_count;
 
         if (incomingBlob.interfaces) {
             this.interfaces = incomingBlob.interfaces;
         }
+
+        if (incomingBlob.images) {
+            this.images = incomingBlob.images;
+        }
     }
 
 }
diff --git a/src/static/js/workflows/design-a-pod.js b/src/static/js/workflows/design-a-pod.js
index 58f8b85..2083f7d 100644
--- a/src/static/js/workflows/design-a-pod.js
+++ b/src/static/js/workflows/design-a-pod.js
@@ -89,7 +89,6 @@ class DesignWorkflow extends Workflow {
         this.labImages = new Map(); // Map<UUID, ImageBlob>
 
         for (const fblob of flavorsList) {
-          fblob.images = await LibLaaSAPI.getImagesForFlavor(fblob.flavor_id);
           for (const iblob of fblob.images) {
             this.labImages.set(iblob.image_id, iblob)
           }
@@ -110,18 +109,17 @@ class DesignWorkflow extends Workflow {
       this.step = steps.ADD_RESOURCES;
 
       if (this.templateBlob.lab_name == null) {
-          showError("Please select a lab before adding resources.");
-          this.goTo(steps.SELECT_LAB);
+          showError("Please select a lab before adding resources.", steps.SELECT_LAB);
           return;
       }
 
       if (this.templateBlob.host_list.length >= 8) {
-        showError("You may not add more than 8 hosts to a single pod.")
+        showError("You may not add more than 8 hosts to a single pod.", -1)
         return;
       }
 
       this.resourceBuilder = null;
-      GUI.refreshAddHostModal(this.userTemplates);
+      GUI.refreshAddHostModal(this.userTemplates, this.labFlavors);
       $("#resource_modal").modal('toggle');
 
     }
@@ -248,6 +246,7 @@ class DesignWorkflow extends Workflow {
       for (const [index, host] of this.resourceBuilder.user_configs.entries()) {
         const new_host = new HostConfigBlob(host);
         this.templateBlob.host_list.push(new_host);
+        this.labFlavors.get(host.flavor).available_count--      
       }
 
       // Add networks
@@ -274,6 +273,7 @@ class DesignWorkflow extends Workflow {
       for (let existing_host of this.templateBlob.host_list) {
         if (hostname == existing_host.hostname) {
           this.removeHostFromTemplateBlob(existing_host);
+          this.labFlavors.get(existing_host.flavor).available_count++;
           GUI.refreshHostStep(this.templateBlob.host_list, this.labFlavors, this.labImages);
           GUI.refreshNetworkStep(this.templateBlob.networks);
           GUI.refreshConnectionStep(this.templateBlob.host_list);
@@ -282,7 +282,7 @@ class DesignWorkflow extends Workflow {
         }
       }
 
-      showError("didnt remove");
+      showError("didnt remove", -1);
     }
 
 
@@ -297,8 +297,7 @@ class DesignWorkflow extends Workflow {
       this.step = steps.ADD_NETWORKS;
 
       if (this.templateBlob.lab_name == null) {
-          showError("Please select a lab before adding networks.");
-          this.goTo(steps.SELECT_LAB);
+          showError("Please select a lab before adding networks.", steps.SELECT_LAB);
           return;
       }
 
@@ -561,8 +560,7 @@ class DesignWorkflow extends Workflow {
       this.step = steps.POD_SUMMARY;
       const simpleValidation = this.simpleStepValidation();
       if (!simpleValidation[0]) {
-        showError(simpleValidation[1])
-        this.goTo(simpleValidation[2]);
+        showError(simpleValidation[1], simpleValidation[2])
         return;
       }
 
@@ -632,7 +630,7 @@ class GUI {
     /** Resets the host modal inner html 
      * Takes a list of templateBlobs
     */
-    static refreshAddHostModal(template_list) {
+    static refreshAddHostModal(template_list, flavor_map) {
       document.getElementById('add_resource_modal_body').innerHTML = `
       <h2>Resource</h2>
       <div id="template-cards" class="row align-items-center justify-content-start">
@@ -663,13 +661,39 @@ class GUI {
       const template_cards = document.getElementById('template-cards');
 
       for (let template of template_list) {
-        template_cards.appendChild(this.makeTemplateCard(template));
+        template_cards.appendChild(this.makeTemplateCard(template, this.calculateAvailability(template, flavor_map)));
       }
     }
 
+    static calculateAvailability(templateBlob, flavor_map) {
+      const local_map = new Map()
+
+      // Map flavor uuid to amount in template
+      for (const host of templateBlob.host_list) {
+          const existing_count = local_map.get(host.flavor)
+          if (existing_count) {
+              local_map.set(host.flavor, existing_count + 1)
+          } else {
+              local_map.set(host.flavor, 1)
+          }
+      }
+
+      let lowest_count = Number.POSITIVE_INFINITY;
+      for (const [key, val] of local_map) {
+          const curr_count =  Math.floor(flavor_map.get(key).available_count / val)
+          if (curr_count < lowest_count) {
+              lowest_count = curr_count;
+          }
+      }
+
+      return lowest_count;
+    }
+
 
     /** Makes a card to be displayed in the add resource modal for a given templateBlob */
-    static makeTemplateCard(templateBlob) {
+    static makeTemplateCard(templateBlob, available_count) {
+      let color = available_count > 0 ? 'text-success' : 'text-danger';
+      // let disabled = available_count == 0 ? 'disabled = "true"' : '';
         const col = document.createElement('div');
         col.classList.add('col-12', 'col-md-6', 'col-xl-3', 'my-3');
         col.innerHTML=  `
@@ -679,6 +703,7 @@ class GUI {
             </div>
             <div class="card-body">
                 <p class="grid-item-description">` + templateBlob.pod_desc +`</p>
+                <p class="grid-item-description ` + color + `">Resources available:` + available_count +`</p>
             </div>
             <div class="card-footer">
                 <button type="button" class="btn btn-success grid-item-select-btn w-100 stretched-link" 
diff --git a/src/static/js/workflows/workflow.js b/src/static/js/workflows/workflow.js
index f3f39e9..97bf8f4 100644
--- a/src/static/js/workflows/workflow.js
+++ b/src/static/js/workflows/workflow.js
@@ -29,7 +29,6 @@ class LibLaaSAPI {
     /** POSTs to dashboard, which then auths and logs the requests, makes the request to LibLaaS, and passes the result back to here.
     Treat this as a private function. Only use the async functions when outside of this class */
     static makeRequest(method, endpoint, workflow_data) {
-        console.log("Making request: %s, %s, %s", method, endpoint, workflow_data.toString())
         const token = document.getElementsByName('csrfmiddlewaretoken')[0].value
         return new Promise((resolve, reject) => {// -> HttpResponse
             $.ajax(
@@ -130,7 +129,6 @@ class LibLaaSAPI {
 
     static async makeTemplate(templateBlob) { // -> UUID or null
         templateBlob.owner = user;
-        console.log(JSON.stringify(templateBlob))
         return await this.handleResponse(this.makeRequest(HTTP.POST, endpoint.MAKE_TEMPLATE, templateBlob));
     }
 
@@ -230,12 +228,13 @@ class Workflow {
     }
 
     goTo(step_number) {
-        while (step_number > this.step) {
-            this.goNext();
-        }
-
-        while (step_number < this.step) {
-            this.goPrev();
+        if (step_number < 0) return;
+        this.step = step_number
+        document.getElementById(this.sections[this.step]).scrollIntoView({behavior: 'smooth'});
+        if (this.step == this.sections.length - 1) {
+            document.getElementById('next').setAttribute('disabled', '');
+        } else if (this.step == 1) {
+            document.getElementById('prev').removeAttribute('disabled');
         }
     }
 
@@ -245,9 +244,11 @@ function apiError(info) {
     showError("Unable to fetch " + info +". Please try again later or contact support.")
   }
 
-function showError(message) {
+// global variable needed for a scrollintoview bug affecting chrome
+let alert_destination = -1;
+function showError(message, destination) {
+    alert_destination = destination;
     const text = document.getElementById('alert_modal_message');
-
     text.innerText = message;
     $("#alert_modal").modal('show');
 }