suggest mint based on currency (stub)

1 files changed, 90 insertions, 53 deletions

diff --git a/extension/pages/confirm-create-reserve.js b/extension/pages/confirm-create-reserve.js
index 124abdf22..d49e709c2 100644
--- a/extension/pages/confirm-create-reserve.js
+++ b/extension/pages/confirm-create-reserve.js
@@ -13,46 +13,71 @@
  You should have received a copy of the GNU General Public License along with
  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
  */
-System.register(["../lib/wallet/helpers", "../lib/wallet/types"], function(exports_1, context_1) {
+System.register(["../lib/wallet/helpers", "../lib/wallet/types", "mithril"], function(exports_1, context_1) {
     "use strict";
     var __moduleName = context_1 && context_1.id;
-    var helpers_1, types_1;
+    var helpers_1, types_1, mithril_1;
     var DelayTimer, Controller;
+    function view(ctrl) {
+        var controls = [];
+        var mx = function (x) {
+            var args = [];
+            for (var _i = 1; _i < arguments.length; _i++) {
+                args[_i - 1] = arguments[_i];
+            }
+            return controls.push(mithril_1.default.apply(void 0, [x].concat(args)));
+        };
+        mx("p", (_a = ["The bank wants to create a reserve over ", "."], _a.raw = ["The bank wants to create a reserve over ", "."], i18n(_a, helpers_1.amountToPretty(ctrl.amount))));
+        mx("input", {
+            className: "url",
+            type: "text",
+            spellcheck: false,
+            value: ctrl.url(),
+            oninput: mithril_1.default.withAttr("value", ctrl.onUrlChanged.bind(ctrl)),
+        });
+        mx("button", {
+            onclick: function () { return ctrl.confirmReserve(ctrl.url(), ctrl.amount, ctrl.callbackUrl); },
+            disabled: !ctrl.isValidMint
+        }, "Confirm mint selection");
+        if (ctrl.statusString) {
+            mx("p", ctrl.statusString);
+        }
+        else {
+            mx("p", "Checking URL, please wait ...");
+        }
+        return mithril_1.default("div", controls);
+        var _a;
+    }
+    function getSuggestedMint(currency) {
+        // TODO: make this request go to the wallet backend
+        // Right now, this is a stub.
+        var defaultMint = {
+            "KUDOS": "http://mint.test.taler.net"
+        };
+        var mint = defaultMint[currency];
+        if (!mint) {
+            mint = "";
+        }
+        return Promise.resolve(mint);
+    }
     function main() {
         var url = URI(document.location.href);
         var query = URI.parseQuery(url.query());
         var amount = types_1.AmountJson.checked(JSON.parse(query.amount));
         var callback_url = query.callback_url;
-        var MintSelection = {
-            controller: function () { return new Controller(); },
-            view: function (ctrl) {
-                var controls = [];
-                var mx = function () {
-                    var args = [];
-                    for (var _i = 0; _i < arguments.length; _i++) {
-                        args[_i - 0] = arguments[_i];
-                    }
-                    return controls.push(m.apply(void 0, args));
-                };
-                mx("p", (_a = ["The bank wants to create a reserve over ", "."], _a.raw = ["The bank wants to create a reserve over ", "."], i18n(_a, helpers_1.amountToPretty(amount))));
-                mx("input.url", {
-                    type: "text",
-                    spellcheck: false,
-                    oninput: m.withAttr("value", ctrl.onUrlChanged.bind(ctrl)),
-                });
-                if (ctrl.isValidMint) {
-                    mx("button", {
-                        onclick: function () { return ctrl.confirmReserve(ctrl.url, amount, callback_url); }
-                    }, "Confirm mint selection");
-                }
-                if (ctrl.errorString) {
-                    mx("p", ctrl.errorString);
-                }
-                return m("div", controls);
-                var _a;
-            }
-        };
-        m.mount(document.getElementById("mint-selection"), MintSelection);
+        var bank_url = query.bank_url;
+        getSuggestedMint(amount.currency)
+            .then(function (suggestedMintUrl) {
+            var controller = function () { return new Controller(suggestedMintUrl, amount, callback_url); };
+            var MintSelection = { controller: controller, view: view };
+            mithril_1.default.mount(document.getElementById("mint-selection"), MintSelection);
+        })
+            .catch(function (e) {
+            // TODO: provide more context information, maybe factor it out into a
+            // TODO:generic error reporting function or component.
+            document.body.innerText = "Fatal error: \"" + e.message + "\".";
+            console.error("got backend error \"" + e.message + "\"");
+        });
     }
     exports_1("main", main);
     return {
@@ -62,6 +87,9 @@ System.register(["../lib/wallet/helpers", "../lib/wallet/types"], function(expor
             },
             function (types_1_1) {
                 types_1 = types_1_1;
+            },
+            function (mithril_1_1) {
+                mithril_1 = mithril_1_1;
             }],
         execute: function() {
             "use strict";
@@ -77,39 +105,48 @@ System.register(["../lib/wallet/helpers", "../lib/wallet/types"], function(expor
                 }
                 DelayTimer.prototype.bump = function () {
                     var _this = this;
-                    if (this.timerId !== null) {
-                        window.clearTimeout(this.timerId);
-                    }
+                    this.stop();
                     var handler = function () {
                         _this.f();
                     };
                     this.timerId = window.setTimeout(handler, this.ms);
                 };
+                DelayTimer.prototype.stop = function () {
+                    if (this.timerId !== null) {
+                        window.clearTimeout(this.timerId);
+                    }
+                };
                 return DelayTimer;
             }());
             Controller = (function () {
-                function Controller() {
+                function Controller(initialMintUrl, amount, callbackUrl) {
                     var _this = this;
-                    this.url = null;
-                    this.errorString = null;
+                    this.url = mithril_1.default.prop();
+                    this.statusString = null;
                     this.isValidMint = false;
-                    this.update();
+                    this.amount = amount;
+                    this.callbackUrl = callbackUrl;
                     this.timer = new DelayTimer(800, function () { return _this.update(); });
+                    this.url(initialMintUrl);
+                    this.update();
                 }
                 Controller.prototype.update = function () {
                     var _this = this;
+                    this.timer.stop();
                     var doUpdate = function () {
-                        if (!_this.url) {
-                            _this.errorString = (_a = ["Please enter a URL"], _a.raw = ["Please enter a URL"], i18n(_a));
+                        if (!_this.url()) {
+                            _this.statusString = (_a = ["Please enter a URL"], _a.raw = ["Please enter a URL"], i18n(_a));
+                            mithril_1.default.endComputation();
                             return;
                         }
-                        _this.errorString = null;
-                        var parsedUrl = URI(_this.url);
+                        _this.statusString = null;
+                        var parsedUrl = URI(_this.url());
                         if (parsedUrl.is("relative")) {
-                            _this.errorString = (_b = ["The URL you've entered is not valid (must be absolute)"], _b.raw = ["The URL you've entered is not valid (must be absolute)"], i18n(_b));
+                            _this.statusString = (_b = ["The URL you've entered is not valid (must be absolute)"], _b.raw = ["The URL you've entered is not valid (must be absolute)"], i18n(_b));
+                            mithril_1.default.endComputation();
                             return;
                         }
-                        var keysUrl = URI("/keys").absoluteTo(helpers_1.canonicalizeBaseUrl(_this.url));
+                        var keysUrl = URI("/keys").absoluteTo(helpers_1.canonicalizeBaseUrl(_this.url()));
                         console.log("requesting keys from '" + keysUrl + "'");
                         _this.request = new XMLHttpRequest();
                         _this.request.onreadystatechange = function () {
@@ -117,33 +154,33 @@ System.register(["../lib/wallet/helpers", "../lib/wallet/types"], function(expor
                                 switch (_this.request.status) {
                                     case 200:
                                         _this.isValidMint = true;
+                                        _this.statusString = "The mint base URL is valid!";
                                         break;
                                     case 0:
-                                        _this.errorString = "unknown request error";
+                                        _this.statusString = "unknown request error";
                                         break;
                                     default:
-                                        _this.errorString = "request failed with status " + _this.request.status;
+                                        _this.statusString = "request failed with status " + _this.request.status;
                                         break;
                                 }
-                                m.redraw();
                             }
+                            mithril_1.default.endComputation();
                         };
                         _this.request.open("get", keysUrl.href());
                         _this.request.send();
                         var _a, _b;
                     };
+                    mithril_1.default.startComputation();
                     doUpdate();
-                    m.redraw();
                     console.log("got update");
                 };
                 Controller.prototype.reset = function () {
                     this.isValidMint = false;
-                    this.errorString = null;
+                    this.statusString = null;
                     if (this.request) {
                         this.request.abort();
                         this.request = null;
                     }
-                    m.redraw();
                 };
                 Controller.prototype.confirmReserve = function (mint, amount, callback_url) {
                     var _this = this;
@@ -170,7 +207,7 @@ System.register(["../lib/wallet/helpers", "../lib/wallet/types"], function(expor
                         }
                         else {
                             _this.reset();
-                            _this.errorString = ("Oops, something went wrong." +
+                            _this.statusString = ("Oops, something went wrong." +
                                 ("The wallet responded with error status (" + rawResp.error + ")."));
                         }
                     };
@@ -178,7 +215,7 @@ System.register(["../lib/wallet/helpers", "../lib/wallet/types"], function(expor
                 };
                 Controller.prototype.onUrlChanged = function (url) {
                     this.reset();
-                    this.url = url;
+                    this.url(url);
                     this.timer.bump();
                 };
                 return Controller;