Add exceptions from frontend

exceptions/generic/MDAccessDeniedException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Custom exception class for invalid page parameters.
+ */
+class MDAccessDeniedException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'Parameter: <b>' . $this->getMessage() . '</b> is not a valid, numeric values.';
+        return $errorMsg;
+
+    }
+
+}

exceptions/generic/MDConfigCannotBeLoadedException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Custom exception class for errors loading configuration information.
+ */
+class MDConfigCannotBeLoadedException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'Could not connect to databse. Please try again later.';
+        return $errorMsg;
+
+    }
+
+}

exceptions/generic/MDmainEntityNotExistentException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Custom exception class for invalid page parameters, which must be values of a
+ * preset list of allowed values.
+ */
+class MDmainEntityNotExistentException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'Could not connect to databse. Please try again later.';
+        return $errorMsg;
+
+    }
+
+}

exceptions/generic/MDpageParameterNotFromListException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Custom exception class for invalid page parameters, which must be values of a
+ * preset list of allowed values.
+ */
+class MDpageParameterNotFromListException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'Invalid parameter: <b>' . $this->getMessage() . '</b>.';
+        return $errorMsg;
+
+    }
+
+}

exceptions/page/MDPageNotInAggregatedException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Exception thrown in case the main entity of a page (e.g. an object, an institution etc.)
+ * are not set public.
+ */
+class MDPageNotInAggregatedException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'There is no entity to be shown here (id: <b>' . $this->getMessage() . '</b>).';
+        return $errorMsg;
+
+    }
+
+}

exceptions/page/MDmainEntityNotPublicException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Exception thrown in case the main entity of a page (e.g. an object, an institution etc.)
+ * are not set public.
+ */
+class MDmainEntityNotPublicException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'There is no entity to be shown here (id: <b>' . $this->getMessage() . '</b>).';
+        return $errorMsg;
+
+    }
+
+}

exceptions/page/MDpageParameterMissingException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Custom exception class for missing page parameters.
+ */
+class MDpageParameterMissingException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'Parameter: <b>' . $this->getMessage() . '</b> is required but missing.';
+        return $errorMsg;
+
+    }
+
+}

exceptions/page/MDpageParameterNotNumericException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Custom exception class for invalid page parameters.
+ */
+class MDpageParameterNotNumericException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'Parameter: <b>' . $this->getMessage() . '</b> is not a valid, numeric values.';
+        return $errorMsg;
+
+    }
+
+}

exceptions/updates/MDFileUploadNotAcceptedException.php

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+<?PHP
+declare(strict_types = 1);
+
+/**
+ * Custom exception class for invalid page parameters, which must be values of a
+ * preset list of allowed values.
+ */
+class MDFileUploadNotAcceptedException extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = $this->getMessage();
+        return $errorMsg;
+
+    }
+
+}

exceptions/updates/MDInvalidLicense.php

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+<?PHP
+/**
+ * This file contains an exception class for usage of unaccepted licenses.
+ *
+ * @file
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Custom exception class to be raised when trying to use a license that is not
+ * accepted by museum-digital.
+ */
+class MDInvalidLicense extends Exception {
+
+    /**
+     * Error message.
+     *
+     * @return string
+     */
+    public function errorMessage() {
+        //error message
+        $errorMsg = 'The following license is not available: ' . $this->getMessage();
+        return $errorMsg;
+
+    }
+
+}