Merge pull request wewewe718#87 from lucasnz/covid_tracer

Add support for New Zealand Covid Tracer QR codes
humphreye · Oct 7, 2021 · 8c81ac6 · 8c81ac6
2 parents 207b54a + 189a4c7
commit 8c81ac6
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Showing 5 changed files with 67 additions and 0 deletions.
diff --git a/app/src/main/java/com/example/barcodescanner/feature/barcode/BarcodeActivity.kt b/app/src/main/java/com/example/barcodescanner/feature/barcode/BarcodeActivity.kt
@@ -147,6 +147,7 @@ class BarcodeActivity : BaseActivity(), DeleteConfirmationDialogFragment.Listene
             BarcodeSchema.VCARD -> addToContacts()
             BarcodeSchema.WIFI -> connectToWifi()
             BarcodeSchema.YOUTUBE -> openInYoutube()
+            BarcodeSchema.NZCOVIDTRACER -> openLink()
             else -> return
         }
     }

diff --git a/app/src/main/java/com/example/barcodescanner/model/ParsedBarcode.kt b/app/src/main/java/com/example/barcodescanner/model/ParsedBarcode.kt
@@ -94,6 +94,7 @@ class ParsedBarcode(barcode: Barcode) {
             BarcodeSchema.YOUTUBE -> parseYoutube()
             BarcodeSchema.CRYPTOCURRENCY -> parseBitcoin()
             BarcodeSchema.OTP_AUTH -> parseOtp()
+            BarcodeSchema.NZCOVIDTRACER -> parseNZCovidTracer()
             BarcodeSchema.URL -> parseUrl()
         }
     }
@@ -204,4 +205,11 @@ class ParsedBarcode(barcode: Barcode) {
     private fun parseUrl() {
         url = text
     }
+
+    private fun parseNZCovidTracer() {
+        val objNZCovidTracer = NZCovidTracer.parse(text) ?: return
+        //title = objNZCovidTracer.title
+        address = objNZCovidTracer.addr
+        url = "http://maps.google.com/maps?q=" + (objNZCovidTracer.addr)?.replace("\n", ", ")
+    }
 }
diff --git a/app/src/main/java/com/example/barcodescanner/model/schema/NZCovidTracer.kt b/app/src/main/java/com/example/barcodescanner/model/schema/NZCovidTracer.kt
@@ -0,0 +1,56 @@
+package com.example.barcodescanner.model.schema
+
+
+import com.example.barcodescanner.extension.joinToStringNotNullOrBlankWithLineSeparator
+import com.example.barcodescanner.extension.removePrefixIgnoreCase
+import com.example.barcodescanner.extension.startsWithIgnoreCase
+import org.apache.commons.codec.binary.Base64
+import org.json.JSONException
+import org.json.JSONObject
+import java.lang.Exception
+
+class NZCovidTracer(
+    val title: String? = null,
+    val addr: String? = null,
+    private val decodedBytes: String? = null
+) : Schema {
+    //{"gln":"9429300660232","opn":"Queens Park ","adr":"150 Gala Street \nInvercargill ","ver":"c19:1","typ":"entry"}
+    //{"gln":"7000000754500","ver":"c19:1","typ":"entry","opn":"Treetown Gym","adr":"1 Shakespeare Road\nBastia Hill\nWhanganui"}
+
+    companion object {
+        private const val PREFIX = "NZCOVIDTRACER:"
+
+        fun parse(text: String): NZCovidTracer? {
+            if (text.startsWithIgnoreCase(PREFIX).not()) {
+                return null
+            }
+
+            var title: String? = null
+            var addr: String? = null
+            var decodedBytes: String? = null
+
+            try {
+                decodedBytes = String(Base64().decode(text.removePrefixIgnoreCase(PREFIX)))
+            }
+            catch (e: Exception) {
+                return null
+            }
+
+            try {
+                val obj = JSONObject(decodedBytes)
+                title = obj.getString("opn")
+                addr = obj.getString("adr")
+            }
+            catch (e: JSONException) {
+                return null
+            }
+
+            addr = addr.replace("\\n", "\n")
+            return NZCovidTracer(title.trim(), addr.trim())
+        }
+    }
+
+    override val schema = BarcodeSchema.NZCOVIDTRACER
+    override fun toFormattedText(): String = listOf(title, addr).joinToStringNotNullOrBlankWithLineSeparator()
+    override fun toBarcodeText(): String = "$PREFIX$decodedBytes"
+}
diff --git a/app/src/main/java/com/example/barcodescanner/model/schema/Schema.kt b/app/src/main/java/com/example/barcodescanner/model/schema/Schema.kt
@@ -17,6 +17,7 @@ enum class BarcodeSchema {
     VCARD,
     WIFI,
     YOUTUBE,
+    NZCOVIDTRACER,
     OTHER;
 }
 

diff --git a/app/src/main/java/com/example/barcodescanner/usecase/BarcodeParser.kt b/app/src/main/java/com/example/barcodescanner/usecase/BarcodeParser.kt
@@ -42,6 +42,7 @@ object BarcodeParser {
             ?: MeCard.parse(text)
             ?: VCard.parse(text)
             ?: OtpAuth.parse(text)
+            ?: NZCovidTracer.parse(text)
             ?: Other(text)
     }
 }
-Original file line number
+Diff line change
@@ Expand Up / @@ -17,6 +17,7 @@ enum class BarcodeSchema { @@
         VCARD,
         WIFI,
         YOUTUBE,
+        NZCOVIDTRACER,
         OTHER;
     }
@@ Expand Down @@