From: Agnibho Mondal <mondal@agnibho.com>
Date: Mon, 13 Nov 2023 14:33:45 +0000 (+0530)
Subject: Send prescription/data to web app.
X-Git-Tag: v0.5~8
X-Git-Url: https://code.agnibho.com/repo?a=commitdiff_plain;h=bc757dbea0f175e420ca8311268a3c239b2abd1c;p=medscript.git

Send prescription/data to web app.
---

diff --git a/README b/README
index 19eb119..2968a30 100644
--- a/README
+++ b/README
@@ -55,7 +55,7 @@ configurable. An example directory structure is given below:
     |-- preset (for storing preset files)
     |   |-- additional.csv
     |   |-- advice.csv
-    |   |-- certify.csv
+    |   |-- certificate.csv
     |   |-- investigation.csv
     |   |-- medication.csv
     |   |-- note.csv
@@ -426,12 +426,18 @@ An example plugin, that modifies the name of the patient, may be as follows:
 
 Plugins may also contain a web app written in HTML/JavaScript. To use it the
 plugin must contain a function called `web` which takes the prescription object
-and returns the URL of the web app. The run function of such a plugin must
+and returns a tuple containing the URL of the web app and a json string
+containing any data to be passed on to the web app. The `run` function of such a plugin must
 take two arguments, the prescription and the data returned from the web app.
 
-The web app itself must include the qtwebchannel.js from PyQt6. The webchannel
-exposes an object named `js` to the web app. The web app may return data by
-calling the `run` function of the exposed `js` object.
+The web app itself must include the `qtwebchannel.js` from PyQt6
+(qrc:///qtwebchannel/qwebchannel.js). The webchannel exposes an object named
+`js` to the web app. The web app may access the prescription by using the
+`js.getPrescription()` and the data from the plugin by using the `js.getData()`
+function. The webapp may return data to the plugin by calling the `run`
+function of the exposed `js` object with two arguments, first being a json
+string containing the prescription object and the second being any data as
+string to be passed onto the plugin.
 
 Template Development
 --------------------
diff --git a/plugin.py b/plugin.py
index 44a100c..4bb32f2 100644
--- a/plugin.py
+++ b/plugin.py
@@ -5,7 +5,7 @@
 # MedScript 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 MedScript. If not, see <https://www.gnu.org/licenses/>.
 
-import logging, os, importlib, copy
+import logging, os, importlib, copy, json
 from PyQt6.QtWidgets import QMessageBox, QMainWindow, QInputDialog, QFileDialog, QVBoxLayout
 from PyQt6.QtCore import QObject, QThread, QUrl, pyqtSignal, pyqtSlot
 from PyQt6.QtWebChannel import QWebChannel
@@ -105,8 +105,8 @@ class Plugin(QObject):
             if(hasattr(module, "web") and callable(module.web)):
                     self.webapp=WebApp()
                     self.webapp.done.connect(lambda: self.update.emit())
-                    url=module.web(prescription)
-                    self.webapp.load(module, QUrl(url), prescription)
+                    url, data=module.web(prescription)
+                    self.webapp.load(module, QUrl(url), prescription, data)
                     self.webapp.show()
             elif(hasattr(module, "run") and callable(module.run)):
                 if(hasattr(module, "confirm") and module.confirm):
@@ -161,11 +161,11 @@ class WebApp(QMainWindow):
         self.webview=QWebEngineView()
         self.setCentralWidget(self.webview)
 
-    def load(self, module, url, prescription):
+    def load(self, module, url, prescription, data):
         self.module=module
         self.webview.load(url)
         self.channel=QWebChannel()
-        self.js=JS(module, prescription)
+        self.js=JS(module, prescription, data)
         self.channel.registerObject("js", self.js)
         self.webview.page().setWebChannel(self.channel)
         self.js.done.connect(lambda: self.done.emit())
@@ -174,15 +174,17 @@ class JS(QObject):
 
     done=pyqtSignal()
 
-    def __init__(self, module, prescription):
+    def __init__(self, module, prescription, data):
         super().__init__()
         self.module=module
         self.prescription=prescription
+        self.data=data
 
-    @pyqtSlot(str)
-    def run(self, data):
+    @pyqtSlot(str, str)
+    def run(self, prescription, result):
+        self.prescription.set_data_from_json(json.loads(prescription))
         try:
-            message=self.module.run(self.prescription, data)
+            message=self.module.run(self.prescription, result)
             if(message):
                 QMessageBox.information(None, "Information", message)
             self.done.emit()
@@ -190,6 +192,14 @@ class JS(QObject):
             logging.error(self.module)
             logging.exception(e)
 
+    @pyqtSlot(result=str)
+    def getPrescription(self):
+        return self.prescription.get_json()
+
+    @pyqtSlot(result=str)
+    def getData(self):
+        return self.data
+
 class Worker(QThread):
 
     pluginComplete=pyqtSignal(str, int)